%I #2 Mar 31 2012 10:22:15
%S 24,15,20,0,0,1
%N a(n)= Number of 5 X 5 permutation matrices with trace n and determinant +1
%e a(0)=24 because we have 24 different permutation matrices 5 x 5 with trace 0 and determinant +1.
%Y A171806, A171808, A171809, A171906, A171908
%K fini,full,nonn
%O 0,1
%A _Artur Jasinski_, Dec 31 2009