A025404 Numbers that are the sum of 4 positive cubes in exactly 2 ways.

219, 252, 259, 278, 315, 376, 467, 522, 594, 702, 758, 763, 765, 802, 809, 819, 856, 864, 945, 980, 1010, 1017, 1036, 1043, 1073, 1078, 1081, 1118, 1134, 1160, 1251, 1352, 1367, 1368, 1374, 1375, 1393, 1397, 1423, 1430, 1458, 1460, 1465, 1467, 1484, 1486

Offset

1,1

References

Elena Deza and Michel Marie Deza, Figurate numbers, World Scientific Publishing (2012), page 307.

Links

Table of n, a(n) for n=1..46.

Eric Weisstein's World of Mathematics, Cubic Number.

Formula

{k: A025457(k) = 2}. - R. J. Mathar, Jun 15 2018

Crossrefs

Cf. A025358, A025396, A025403, A025405, A025406, A048927, A344193.

Sequence in context: A126829 A171406 A025406 * A361343 A192086 A256815

Adjacent sequences: A025401 A025402 A025403 * A025405 A025406 A025407

Keyword

nonn

Author

David W. Wilson

Status

approved