A363781 a(n) = [x^n] 1/(Sum_{k>=0} x^(k^3))^n.

1, -1, 3, -10, 35, -126, 462, -1716, 6427, -24220, 91718, -348712, 1330238, -5088916, 19515660, -75000600, 288772795, -1113688667, 4301387580, -16635049690, 64410064110, -249659926890, 968651123520, -3761601535620, 14619516646150, -56861702382576

Offset

0,3

Links

Table of n, a(n) for n=0..25.

Crossrefs

Main diagonal of A363779.

Cf. A291700.

Sequence in context: A318114 A122068 A099908 * A318115 A318116 A167403

Adjacent sequences: A363778 A363779 A363780 * A363782 A363783 A363784

Keyword

sign

Author

Seiichi Manyama, Jun 21 2023

Status

approved