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A004675 Theta series of hypothetical extremal even unimodular lattice in dimension 72. +0
4
1, 0, 0, 0, 6218175600, 15281788354560, 9026867482214400, 1989179450818560000, 213006159759990870000, 13144087517631410995200, 525100718690287495741440, 14756609779472604266496000, 310160311536865273422120000 (list; graph; listen)
OFFSET

0,5

REFERENCES

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

CROSSREFS

Cf. A018236.

Sequence in context: A034646 A046894 A145552 this_sequence A011524 A127342 A161160

Adjacent sequences: A004672 A004673 A004674 this_sequence A004676 A004677 A004678

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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