OFFSET
0,2
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 118.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
MATHEMATICA
terms = 18; s = EllipticTheta[3, 0, x]^16 + O[x]^(2 terms); Partition[ CoefficientList[s, x], 2][[All, 1]][[1 ;; terms]] (* Jean-François Alcover, Jul 06 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Seiichi Manyama, Oct 16 2018
STATUS
approved