cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A320677 Expansion of s(q)^6 where s() is cubic AGM theta functions.

Original entry on oeis.org

1, -18, 135, -504, 657, 2052, -10071, 12384, 20277, -83610, 72090, 122040, -355581, 245124, 379512, -1050624, 770589, 966492, -2700081, 1724616, 2287062, -5636880, 3616164, 4471632, -11385657, 6820722, 8554194, -19963440, 12302568, 14113332, -34631226, 19737936
Offset: 0

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Author

Seiichi Manyama, Oct 19 2018

Keywords

Comments

Cubic AGM theta functions: r(q) (see A004016), s(q) (A005928), t(q) (A005882).

Crossrefs

s(q)^m: A005928 (m=1), A242874 (m=2), A109041 (m=3), A133078 (m=4), this sequence (m=6).

Formula

Expansion of (eta(q)^3/eta(q^3))^6 in powers of q.