A155505 Numbers n such that n^3 is of form x^2+40y^2 with positive x,y.

14, 26, 41, 44, 46, 49, 56, 65, 74, 76, 89, 94, 104, 106, 110, 121, 126, 140, 154, 161, 164, 169, 176, 184, 185, 190, 196, 206, 209, 224, 234, 236, 241, 254, 260, 265, 266, 281, 286, 296, 304, 314, 329, 334, 346, 350, 356, 361, 364, 369, 376, 385, 394, 396, 401, 409, 410, 414, 416, 424, 440, 441, 446, 449, 460, 481, 484, 490, 494, 504, 506, 521, 524, 526, 529, 554, 556, 560, 569, 74, 585

Offset

1,1

Links

Table of n, a(n) for n=1..81.

Crossrefs

Cf. A155500, A155501, A155502.

Sequence in context: A082773 A242395 A112772 * A086258 A372008 A063799

Adjacent sequences: A155502 A155503 A155504 * A155506 A155507 A155508

Keyword

nonn

Author

Zak Seidov, Jan 23 2009

Status

approved