OFFSET
1,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..1000
PROG
(PARI) a(n) = my(k=1); while(binomial(k^2, k)%n^2>0, k++); k;
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Seiichi Manyama, Mar 24 2024
STATUS
approved