Take a number from the first grid with 3x3 the same 8x8 magic square and add 64x [number -/- 1] of the same cell from the second grid with the '8x8 blown up' 3x3 magic square.
1x number
1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 |
63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 |
8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 |
58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 |
5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 |
59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 |
4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 |
62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 |
1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 |
63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 |
8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 |
58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 |
5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 |
59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 |
4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 |
62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 |
1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 |
63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 |
8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 |
58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 |
5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 |
59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 |
4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 |
62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 |
+ 64x [number -/- 1]
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
= (simple) 24x24 magic square
65 | 80 | 121 | 120 | 97 | 112 | 89 | 88 | 513 | 528 | 569 | 568 | 545 | 560 | 537 | 536 | 193 | 208 | 249 | 248 | 225 | 240 | 217 | 216 |
127 | 114 | 71 | 74 | 95 | 82 | 103 | 106 | 575 | 562 | 519 | 522 | 543 | 530 | 551 | 554 | 255 | 242 | 199 | 202 | 223 | 210 | 231 | 234 |
72 | 73 | 128 | 113 | 104 | 105 | 96 | 81 | 520 | 521 | 576 | 561 | 552 | 553 | 544 | 529 | 200 | 201 | 256 | 241 | 232 | 233 | 224 | 209 |
122 | 119 | 66 | 79 | 90 | 87 | 98 | 111 | 570 | 567 | 514 | 527 | 538 | 535 | 546 | 559 | 250 | 247 | 194 | 207 | 218 | 215 | 226 | 239 |
69 | 76 | 125 | 116 | 101 | 108 | 93 | 84 | 517 | 524 | 573 | 564 | 549 | 556 | 541 | 532 | 197 | 204 | 253 | 244 | 229 | 236 | 221 | 212 |
123 | 118 | 67 | 78 | 91 | 86 | 99 | 110 | 571 | 566 | 515 | 526 | 539 | 534 | 547 | 558 | 251 | 246 | 195 | 206 | 219 | 214 | 227 | 238 |
68 | 77 | 124 | 117 | 100 | 109 | 92 | 85 | 516 | 525 | 572 | 565 | 548 | 557 | 540 | 533 | 196 | 205 | 252 | 245 | 228 | 237 | 220 | 213 |
126 | 115 | 70 | 75 | 94 | 83 | 102 | 107 | 574 | 563 | 518 | 523 | 542 | 531 | 550 | 555 | 254 | 243 | 198 | 203 | 222 | 211 | 230 | 235 |
385 | 400 | 441 | 440 | 417 | 432 | 409 | 408 | 257 | 272 | 313 | 312 | 289 | 304 | 281 | 280 | 129 | 144 | 185 | 184 | 161 | 176 | 153 | 152 |
447 | 434 | 391 | 394 | 415 | 402 | 423 | 426 | 319 | 306 | 263 | 266 | 287 | 274 | 295 | 298 | 191 | 178 | 135 | 138 | 159 | 146 | 167 | 170 |
392 | 393 | 448 | 433 | 424 | 425 | 416 | 401 | 264 | 265 | 320 | 305 | 296 | 297 | 288 | 273 | 136 | 137 | 192 | 177 | 168 | 169 | 160 | 145 |
442 | 439 | 386 | 399 | 410 | 407 | 418 | 431 | 314 | 311 | 258 | 271 | 282 | 279 | 290 | 303 | 186 | 183 | 130 | 143 | 154 | 151 | 162 | 175 |
389 | 396 | 445 | 436 | 421 | 428 | 413 | 404 | 261 | 268 | 317 | 308 | 293 | 300 | 285 | 276 | 133 | 140 | 189 | 180 | 165 | 172 | 157 | 148 |
443 | 438 | 387 | 398 | 411 | 406 | 419 | 430 | 315 | 310 | 259 | 270 | 283 | 278 | 291 | 302 | 187 | 182 | 131 | 142 | 155 | 150 | 163 | 174 |
388 | 397 | 444 | 437 | 420 | 429 | 412 | 405 | 260 | 269 | 316 | 309 | 292 | 301 | 284 | 277 | 132 | 141 | 188 | 181 | 164 | 173 | 156 | 149 |
446 | 435 | 390 | 395 | 414 | 403 | 422 | 427 | 318 | 307 | 262 | 267 | 286 | 275 | 294 | 299 | 190 | 179 | 134 | 139 | 158 | 147 | 166 | 171 |
321 | 336 | 377 | 376 | 353 | 368 | 345 | 344 | 1 | 16 | 57 | 56 | 33 | 48 | 25 | 24 | 449 | 464 | 505 | 504 | 481 | 496 | 473 | 472 |
383 | 370 | 327 | 330 | 351 | 338 | 359 | 362 | 63 | 50 | 7 | 10 | 31 | 18 | 39 | 42 | 511 | 498 | 455 | 458 | 479 | 466 | 487 | 490 |
328 | 329 | 384 | 369 | 360 | 361 | 352 | 337 | 8 | 9 | 64 | 49 | 40 | 41 | 32 | 17 | 456 | 457 | 512 | 497 | 488 | 489 | 480 | 465 |
378 | 375 | 322 | 335 | 346 | 343 | 354 | 367 | 58 | 55 | 2 | 15 | 26 | 23 | 34 | 47 | 506 | 503 | 450 | 463 | 474 | 471 | 482 | 495 |
325 | 332 | 381 | 372 | 357 | 364 | 349 | 340 | 5 | 12 | 61 | 52 | 37 | 44 | 29 | 20 | 453 | 460 | 509 | 500 | 485 | 492 | 477 | 468 |
379 | 374 | 323 | 334 | 347 | 342 | 355 | 366 | 59 | 54 | 3 | 14 | 27 | 22 | 35 | 46 | 507 | 502 | 451 | 462 | 475 | 470 | 483 | 494 |
324 | 333 | 380 | 373 | 356 | 365 | 348 | 341 | 4 | 13 | 60 | 53 | 36 | 45 | 28 | 21 | 452 | 461 | 508 | 501 | 484 | 493 | 476 | 469 |
382 | 371 | 326 | 331 | 350 | 339 | 358 | 363 | 62 | 51 | 6 | 11 | 30 | 19 | 38 | 43 | 510 | 499 | 454 | 459 | 478 | 467 | 486 | 491 |
I have used method composite, simple to construct
9x9, 12x12, 15x15a, 15x15b, 18x18, 20x20, 21x21a, 21x21b, 24x24a, 24x24b, 25x25, 27x27a, 27x27b, 28x28, 30x30a, 30x30b