OFFSET
1,2
COMMENTS
A018892(n) gives the number of integers of the form nk/(n+k).
PROG
(PARI) for(n=1, 150, print1(sum(i=0, n^2, if((n^2*i^2)%(n^2+i^2), 0, 1)), ", "))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, May 10 2002
STATUS
approved