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 A022057 #12 Oct 16 2018 12:00:31 %S A022057 1,1300,239252,14797120,410468500,6030043240,54177864000,343594659200, %T A022057 1706685733012,7010460268500,24832297608040,77924078814400, %U A022057 221394909419840,578472382307304,1407681394953600,3221568346322560,6988918697572500,14466438251512104 %N A022057 Theta series of D_26 lattice. %D A022057 J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118. %H A022057 Seiichi Manyama, <a href="/A022057/b022057.txt">Table of n, a(n) for n = 0..1000</a> %t A022057 terms = 15; f[q_] = LatticeData["D26", "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 A022057 nonn %O A022057 0,2 %A A022057 _N. J. A. Sloane_ %E A022057 More terms from _Seiichi Manyama_, Oct 16 2018