A004021 - OEIS

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A004021

Theta series of packing P_{10c}.
(Formerly M5448)

1, 372, 768, 5684, 6144, 28608, 23040, 91956, 61440, 224680, 140544, 458688, 276480, 358240, 480768, 1467188, 798720, 2329012, 1251072, 3590952, 1843200

(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. 140.

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: A281860 A161362 A203924 * A240249 A200885 A161361

Adjacent sequences: A004018 A004019 A004020 * A004022 A004023 A004024

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved