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 A022048 #12 Oct 16 2018 10:08:15 %S A022048 1,544,38114,808384,7213984,37569728,149405248,470966912,1291650786, %T A022048 3101265120,6883061184,13967503552,27036220096,48877735232, %U A022048 85898222336,142979339392,233808578464,365627715968,565633846434,841764350272,1246798917056,1783384909696,2547362852288 %N A022048 Theta series of D_17 lattice. %D A022048 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118. %H A022048 Seiichi Manyama, <a href="/A022048/b022048.txt">Table of n, a(n) for n = 0..1000</a> %t A022048 terms = 18; f[q_] = LatticeData["D17", "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 A022048 nonn %O A022048 0,2 %A A022048 _N. J. A. Sloane_ %E A022048 More terms from _Seiichi Manyama_, Oct 16 2018