OFFSET
1,2
REFERENCES
D. B. Fuks and Serge Tabachnikov, Mathematical Omnibus: Thirty Lectures on Classic Mathematics, American Mathematical Society, 2007. Lecture 2. Arithmetical Properties of Binomial Coefficients, pages 27-44.
FORMULA
If p is prime and p>=5, a(p) = p.
PROG
(PARI) a(n) = binomial(n^2, n)%n^5;
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Mar 24 2024
STATUS
approved