OFFSET
0,61
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
PROG
(PARI) a(n) = if(n==0, 0, sum(k=1, sqrtint((n-1)\11), issquare(n-11*k^2)));
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Seiichi Manyama, Jun 29 2024
STATUS
approved