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A008448 Theta series of A_8 lattice. 4
1, 72, 756, 2184, 5742, 10584, 19656, 26712, 49140, 59208, 88452, 111888, 159432, 171864, 260064, 275184, 364734, 412776, 532872, 534744, 772632, 751296, 935064, 1022112, 1277640, 1229328 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 110.

LINKS

Table of n, a(n) for n=0..25.

MATHEMATICA

terms = 26; f[q_] = LatticeData["A8", "ThetaSeriesFunction"][-I Log[q]/Pi]; Series[f[q], {q, 0, 2 terms - 1}] // CoefficientList[#, q]& // Round // DeleteCases[#, 0]& (* Jean-Fran├žois Alcover, Jul 04 2017 *)

CROSSREFS

Sequence in context: A200451 A097205 A253917 * A282213 A268780 A086579

Adjacent sequences:  A008445 A008446 A008447 * A008449 A008450 A008451

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 21 14:40 EST 2018. Contains 299414 sequences. (Running on oeis4.)