A302857 Expansion of ((1 + 2 * Sum_{k>=1} q^(k^2))^32 - 1) / 64.

1, 31, 620, 8991, 100750, 908052, 6767672, 42576671, 229829413, 1079371826, 4466377700, 16483884820, 54927684614, 167288627912, 471202341864, 1240559020831, 3079711709682, 7258966849915, 16333838548700, 35251970265650, 73278213928864, 147241116313756, 286838266666792

Offset: 1

Author

Seiichi Manyama, Apr 14 2018

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..10000

Crossrefs

Expansion of ((1 + 2 * Sum_{k>=1} q^(k^2))^(2^m) - 1) / 2^(m + 1): A002654 (m=1), A046897 (m=2), A008457 (m=3), A302855 (m=4), this sequence (m=5).

Cf. A302856.

Formula

a(n) = A302856(n) / 64.