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 A022053 #12 Oct 16 2018 12:00:06 %S A022053 1,924,117084,4812192,86075484,815677016,5012882336,23460347328, %T A022053 89096422492,289559673084,830202403800,2153312518240,5140361517984, %U A022053 11444537517336,24015334687168,47873378766400,91281903219804,167369436673208,296418599695548,509007239863584 %N A022053 Theta series of D_22 lattice. %D A022053 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118. %H A022053 Seiichi Manyama, <a href="/A022053/b022053.txt">Table of n, a(n) for n = 0..1000</a> %t A022053 terms = 17; f[q_] = LatticeData["D22", "ThetaSeriesFunction"][-I*Log[q]/Pi]; s = f[q] + O[q]^(2 terms); DeleteCases[CoefficientList[s, q], 0][[1 ;; terms]] (* _Jean-François Alcover_, Jul 06 2017 *) %K A022053 nonn %O A022053 0,2 %A A022053 _N. J. A. Sloane_ %E A022053 More terms from _Seiichi Manyama_, Oct 16 2018