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.
%I A320676 #16 Oct 19 2018 09:46:57 %S A320676 1,9,-27,-261,765,2214,-11529,11304,24813,-81423,71118,106812,-354609, %T A320676 262350,385992,-1049166,739917,990306,-2713203,1709604,2287710, %U A320676 -5646600,3707532,4448952,-11344833,6737319,8450838,-19943757,12298248,14238558,-34639974,19856736 %N A320676 Expansion of (r(q) * s(q))^3 where r(), s() are cubic AGM theta functions. %C A320676 Cubic AGM theta functions: r(q) (see A004016), s(q) (A005928), t(q) (A005882). %H A320676 Seiichi Manyama, <a href="/A320676/b320676.txt">Table of n, a(n) for n = 0..10000</a> %F A320676 Expansion of (eta(q)^3 * (eta(q)^3 + 9 * eta(q^9)^3) / eta(q^3)^2)^3 in powers of q. %Y A320676 Cf. A004010, A008654, A281722. %K A320676 sign %O A320676 0,2 %A A320676 _Seiichi Manyama_, Oct 19 2018