%I #11 Oct 14 2024 10:56:00
%S 1,15,225,229503,42980713761,1380524064964529355,
%T 7955148565342992851131291305
%N Number of n X n 0..14 matrices with all row and column sums equal.
%Y Column k=14 of A202784.
%K nonn,more
%O 0,2
%A _R. H. Hardin_, Feb 20 2002
%E a(5)-a(6) from _Sean A. Irvine_, Dec 10 2023
%E a(0)=1 prepended by _Andrew Howroyd_, Oct 14 2024