A022060 - OEIS

A022060

Theta series of D_29 lattice.

1, 1624, 380074, 30488976, 1117791544, 21911472464, 259172461296, 2081117152992, 12613606876714, 61865177248552, 256462892399504, 928859670458448, 3006249397711056, 8858986222461872, 24088488255932096, 61146089973555552, 146117613009432632, 331281589561600160

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OFFSET

0,2

REFERENCES

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

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..10000

MATHEMATICA

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-François Alcover, Jul 06 2017 *)

CROSSREFS

Sequence in context: A224722 A045288 A204726 * A107524 A097225 A345968

Adjacent sequences: A022057 A022058 A022059 * A022061 A022062 A022063

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Seiichi Manyama, Oct 16 2018

STATUS

approved