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 A022054 #11 Oct 16 2018 12:00:12 %S A022054 1,1012,141726,6503112,130905236,1392036360,9401213016,47412641232, %T A022054 192747766686,663612939132,2007831887432,5456890474248,13617909938952, %U A022054 31527898462552,68719323996224,141662701280848,279248601010324,527242669347856,961796734667878,1695182770403416 %N A022054 Theta series of D_23 lattice. %D A022054 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118. %H A022054 Seiichi Manyama, <a href="/A022054/b022054.txt">Table of n, a(n) for n = 0..1000</a> %t A022054 terms = 16; f[q_] = LatticeData["D23", "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 A022054 nonn %O A022054 0,2 %A A022054 _N. J. A. Sloane_ %E A022054 More terms from _Seiichi Manyama_, Oct 16 2018