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