OFFSET
0,4
COMMENTS
Also the number of positive odd solutions to equation a^2 + 3*b^2 + 9*c^2 = 8*n + 13. - Seiichi Manyama, May 29 2017
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Seiichi Manyama, May 22 2017
STATUS
approved