%I #8 Mar 24 2024 09:55:25
%S 0,6,84,796,5,3792,7,27768,22608,56440,11,83772,13,168448,61065,
%T 471536,17,445320,19,994080,2258235,4188272,23,6083208,156275,743912,
%U 13548492,3588928,29,16444800,31,28887008,13685133,2841992,42053795,49421088,37,24763840,9171162
%N a(n) = binomial(n^2,n) mod n^5.
%D 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.
%F If p is prime and p>=5, a(p) = p.
%o (PARI) a(n) = binomial(n^2, n)%n^5;
%Y Cf. A014062, A081369.
%K nonn
%O 1,2
%A _Seiichi Manyama_, Mar 24 2024