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A022060 Theta series of D_29 lattice. 2

%I #12 Oct 16 2018 08:39:50

%S 1,1624,380074,30488976,1117791544,21911472464,259172461296,

%T 2081117152992,12613606876714,61865177248552,256462892399504,

%U 928859670458448,3006249397711056,8858986222461872,24088488255932096,61146089973555552,146117613009432632,331281589561600160

%N Theta series of D_29 lattice.

%D J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.

%H Seiichi Manyama, <a href="/A022060/b022060.txt">Table of n, a(n) for n = 0..10000</a>

%t terms = 15; f[q_] = LatticeData["D29", "ThetaSeriesFunction"][-I*Log[q]/Pi]; s = f[q] + O[q]^(2 terms); DeleteCases[CoefficientList[s, q], 0][[1 ;; terms]] (* _Jean-Fran├žois Alcover_, Jul 06 2017 *)

%K nonn

%O 0,2

%A _N. J. A. Sloane_

%E More terms from _Seiichi Manyama_, Oct 16 2018

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Last modified June 23 20:17 EDT 2024. Contains 373653 sequences. (Running on oeis4.)