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A015666
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Expansion of e.g.f. theta_3^(5/2).
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2
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1, 5, 15, 15, 105, 1845, 5175, -11025, 363825, 4011525, 46734975, 367203375, -909822375, 105415435125, 1137191430375, -7081746296625, 202916199110625, 6031044627733125, 96887972385579375, 589023558627879375
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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REFERENCES
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J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102.
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LINKS
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MATHEMATICA
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nmax = 25; CoefficientList[Series[EllipticTheta[3, 0, x]^(5/2), {x, 0, nmax}], x] * Range[0, nmax]! (* Vaclav Kotesovec, Oct 23 2018 *)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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