n=x3+y3+2z3
D5 Sum of four cubes.
in Richard K. Guy, "Unsolve Problems in Number Theory" Second Edition, Springer-Verlag, 1994
Solutions of n=x3+y3+2z3
400 <= n <= 499, max{|x|,|y|,|z|} <= 4*106.
n | x | y | z |
400 | 3343 | -22127 | 17542 |
401 | -4 | -13 | 11 |
402 | 3 | 5 | 5 |
403 | -5 | 8 | 2 |
404 | -1 | -3 | 6 |
405 | 2 | 7 | 3 |
406 | 1 | -3 | 6 |
407 | 4 | 7 | 0 |
408 | 15 | 19 | -17 |
409 | 4 | 7 | 1 |
410 | 86 | 134 | -115 |
411 | 3 | 8 | -4 |
412 | 49 | -61 | 38 |
413 | 2 | -3 | 6 |
414 | 5 | 7 | -3 |
415 | -4 | 9 | -5 |
416 | 33 | -123 | 97 |
417 | 147 | -872 | 691 |
418 | 15961 | 91705 | -72914 |
419 | -7 | 8 | 5 |
420 | 5 | -9 | 8 |
421 | -58 | -91 | 78 |
422 | 5 | 9 | -6 |
423 | -1 | -2 | 6 |
424 | 3 | 7 | 3 |
425 | 1 | -2 | 6 |
426 | -14 | 18 | -11 |
427 | -230 | 235 | -74 |
428 | -111433 | -117091 | 114332 |
429 | -6 | 11 | -7 |
430 | -1 | -1 | 6 |
431 | 0 | -1 | 6 |
432 | 0 | 0 | 6 |
433 | 0 | 1 | 6 |
434 | 1 | 1 | 6 |
435 | 10 | 21 | -17 |
436 | -5 | -5 | 7 |
437 | -28 | 29 | -10 |
438 | -3 | -13 | 11 |
439 | 4 | 5 | 5 |
440 | -7 | 9 | 3 |
441 | 1 | 2 | 6 |
442 | 12 | -14 | 9 |
443 | -3 | -6 | 7 |
444 | -3 | 7 | 4 |
445 | -19178 | 150439 | -119321 |
446 | -4 | 8 | -1 |
447 | -531 | -952 | 797 |
448 | -25 | 31 | -19 |
449 | 7 | 24 | -19 |
450 | -2 | 8 | -3 |
451 | -2 | 3 | 6 |
452 | 5 | 7 | -2 |
453 | -6 | -11 | 10 |
454 | 778 | -2072 | 1615 |
455 | -4 | 17 | -13 |
456 | 17 | 21 | -19 |
457 | -1 | 8 | -3 |
458 | -1 | 3 | 6 |
459 | 1 | 8 | -3 |
460 | 1 | 3 | 6 |
461 | 4 | 7 | 3 |
462 | -2 | -6 | 7 |
463 | -2 | 7 | 4 |
464 | -1 | -13 | 11 |
465 | -1 | 6 | 5 |
466 | 0 | 6 | 5 |
467 | 2 | 3 | 6 |
468 | 5 | 7 | 0 |
469 | -3 | 4 | 6 |
470 | -1 | 7 | 4 |
471 | 0 | 7 | 4 |
472 | 1 | 7 | 4 |
473 | 2 | -13 | 11 |
474 | 2 | 6 | 5 |
475 | -391 | 448 | -247 |
476 | -5 | 9 | -4 |
477 | 13 | -14 | 8 |
478 | 2 | -6 | 7 |
479 | 2 | 7 | 4 |
480 | 1 | 9 | -5 |
481 | 10 | -17 | 13 |
482 | -2254 | -11878 | 9449 |
483 | -3 | 8 | -1 |
484 | 5 | 7 | 2 |
485 | -3 | 8 | 0 |
486 | -8 | 10 | -1 |
487 | -3 | 8 | 1 |
488 | -17 | 19 | -9 |
489 | 651 | -734 | 391 |
490 | -8 | 10 | 1 |
491 | 13476659 | 13584908 | -13531000 |
492 | 3 | -13 | 11 |
493 | 3 | 6 | 5 |
494 | 18 | -20 | 11 |
495 | -1 | 4 | 6 |
496 | -41 | 231 | -183 |
497 | 1 | 4 | 6 |
498 | 3 | 7 | 4 |
499 | -68 | 187 | -146 |
E-mail : kc2h-msm@asahi-net.or.jpHisanori Mishima