A005952 Theta series of P_{12a} packing. (Formerly M5481)

1, 0, 840, 2560, 26376, 30720, 204960, 168960, 843528, 593920, 2625840, 1605120, 6435744, 3717120, 14118720, 7633920, 26992392, 14192640, 49806120, 24752640, 82451376

Offset

0,3

References

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 139.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=0..20.

Crossrefs

Sequence in context: A361421 A045477 A232099 * A260473 A335141 A177021

Adjacent sequences: A005949 A005950 A005951 * A005953 A005954 A005955

Keyword

nonn,more

Author

N. J. A. Sloane

Status

approved