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A171907 a(n)= Number of 5 X 5 permutation matrices with trace n and determinant +1 2

%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

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Last modified March 28 07:30 EDT 2024. Contains 371235 sequences. (Running on oeis4.)