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 A022051 #12 Oct 16 2018 11:59:54 %S A022051 1,760,77560,2508000,34729720,259114704,1327461600,5341699520, %T A022051 17701924600,51294999960,131880275664,312126610080,680432137440, %U A022051 1404010658960,2724593155520,5089580732736,9062110326520,15699349246320,26159307313560,42719885410400,67517852274384 %N A022051 Theta series of D_20 lattice. %D A022051 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118. %H A022051 Seiichi Manyama, <a href="/A022051/b022051.txt">Table of n, a(n) for n = 0..1000</a> %t A022051 terms = 17; f[q_] = LatticeData["D20", "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 A022051 nonn %O A022051 0,2 %A A022051 _N. J. A. Sloane_ %E A022051 More terms from _Seiichi Manyama_, Oct 16 2018