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A004672 Theta series of extremal even unimodular lattice in dimension 48. 3
1, 0, 0, 52416000, 39007332000, 6609020221440, 437824977408000, 15173208925056000, 327259384199748000, 4913603518247424000, 55439899840480296960, 496425571825135680000, 3672747716246756784000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 195.

LINKS

Table of n, a(n) for n=0..12.

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

CROSSREFS

Sequence in context: A015392 A211237 A105381 * A029824 A186596 A205180

Adjacent sequences:  A004669 A004670 A004671 * A004673 A004674 A004675

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified January 16 23:44 EST 2019. Contains 319206 sequences. (Running on oeis4.)