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%I #12 Oct 16 2018 11:59:49
%S 1,684,62054,1759704,21210156,140116184,658369608,2449182384,
%T 7597766246,20748447108,50601708504,114223115480,238352317656,
%U 472600643976,883678139136,1594639240368,2749536787500,4620722631088,7482364853310,11894205734280,18321074279384
%N Theta series of D_19 lattice.
%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.
%H Seiichi Manyama, <a href="/A022050/b022050.txt">Table of n, a(n) for n = 0..1000</a>
%t terms = 17; f[q_] = LatticeData["D19", "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