OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
J. Liouville, Sur la forme x^2 + 2y^2 + 4z^2 + 8t^2, Journal de mathématiques pures et appliquées 2e série, tome 6 (1861), p. 409-416.
FORMULA
G.f.: theta_3(q)^2*theta_3(q^5)^2, where theta_3() is the Jacobi theta function. - Ilya Gutkovskiy, Aug 03 2018
MAPLE
See A236924.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 15 2014
STATUS
approved