OFFSET
0,2
COMMENTS
Also the number of integer solutions (a_1, a_2, ... , a_{d(n)}) to the equation Sum_{d | n} d * a_d^2 = n, where d(n) is the number of divisors of n.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Oct 10 2018
STATUS
approved