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A015677 Expansion of theta_3^(21/2). +0
1
1, 21, 399, 6783, 102249, 1370565, 16991415, 216411615, 3146775345, 49819225365, 767467173375, 11808542505375, 208290421179225, 4084751136190725, 76593243172220775, 1426967042034909375 (list; graph; listen)
OFFSET

0,2

REFERENCES

J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102.

CROSSREFS

Sequence in context: A108740 A094172 A145613 this_sequence A113363 A014903 A020534

Adjacent sequences: A015674 A015675 A015676 this_sequence A015678 A015679 A015680

KEYWORD

nonn

AUTHOR

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

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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