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A008661 Theta series of direct sum of 5 copies of D_4 lattice. 0
1, 120, 5880, 150240, 2125560, 16730064, 80352480, 343550400, 1074130680, 3300009240, 8002059984, 20074327200, 41273292000, 90329139600, 165297094080, 327390278976, 549728415480, 1009882047600 (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. 119.

LINKS

Table of n, a(n) for n=0..17.

Index entries for sequences related to D_4 lattice

CROSSREFS

Sequence in context: A031145 A126245 A221435 * A061541 A003438 A222157

Adjacent sequences:  A008658 A008659 A008660 * A008662 A008663 A008664

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 20 05:42 EDT 2013. Contains 226419 sequences.