|
%I #13 Jun 12 2019 20:55:00
%S 1,210,8190,102830,570780,2140866,6527430,16213080,36584730,73035900,
%T 139912500,243455940,417269580,664812330,1050179130,1567036926,
%U 2347625490,3315827970,4752128290,6479581290,8930870676,11796130710,15862692300,20336924790
%N Theta series of A_14 lattice.
%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 110.
%H G. Nebe and N. J. A. Sloane, <a href="http://www.math.rwth-aachen.de/~Gabriele.Nebe/LATTICES/A14.html">Home page for this lattice</a>
%t terms = 20; f[q_] = LatticeData["A14", "ThetaSeriesFunction"][-I*Log[q]/Pi]; s = f[q] + O[q]^(2 terms); Partition[CoefficientList[s, q] // Round, 2][[All, 1]][[1 ;; terms]] (* _Jean-François Alcover_, Jul 06 2017 *)
%K nonn
%O 0,2
%A _N. J. A. Sloane_.
%E More terms from Robert.Harley(AT)inria.fr, see A023902.
%E More terms from _Sean A. Irvine_, Jun 12 2019
|
