%I #4 Apr 04 2020 19:19:47
%S 1,1,3,13,106,1856,65481,3925518,363749095,48962187281,9168714763163,
%T 2310658842185472,762989388539984938,322853634364149927118,
%U 171803197981333555941746,113132136587981136905043170,90904234140548490596254230897
%N Number of non-isomorphic n X n nonnegative integer matrices with all row and column sums equal to 5 up to permutations of rows and columns.
%Y Column k=5 of A333733.
%K nonn
%O 0,3
%A _Andrew Howroyd_, Apr 04 2020