A363783 L.g.f.: log( Sum_{k>=0} x^(k^3) ).

1, -1, 1, -1, 1, -1, 1, 7, -8, 9, -10, 11, -12, 13, -14, 7, 1, -10, 20, -31, 43, -56, 70, -77, 76, -66, 73, -43, 1, 54, -123, 199, -274, 339, -419, 470, -480, 436, -324, 137, 124, -449, 861, -1332, 1822, -2278, 2633, -2813, 2745, -2366, 1582, -326, -1430, 3635, -6225, 9037, -11836, 14325, -16106, 16706, -15615

Offset: 1

Author

Seiichi Manyama, Jun 21 2023

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A162552, A363784.

Formula

L.g.f.: L(x) = Sum_{k>=1} a(k)*x^k/k = log( Sum_{k>=0} x^(k^3) ).