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A015678
Expansion of e.g.f. theta_3^(23/2).
2
1, 23, 483, 9177, 156561, 2398095, 33725475, 465686865, 6952917825, 114751084455, 1935277553475, 32136707104425, 567545846123025, 11263156788858975, 229832929643191875, 4560180147352454625
OFFSET
0,2
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 102.
LINKS
MATHEMATICA
nmax = 25; CoefficientList[Series[EllipticTheta[3, 0, x]^(23/2), {x, 0, nmax}], x] * Range[0, nmax]! (* Vaclav Kotesovec, Oct 23 2018 *)
CROSSREFS
Sequence in context: A328348 A095256 A273008 * A293083 A014905 A200734
KEYWORD
nonn
STATUS
approved