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A171906 a(n) = number of 5 X 5 permutation matrices with trace n 2

%I

%S 44,45,20,10,0,1

%N a(n) = number of 5 X 5 permutation matrices with trace n

%e a(0)=44 because we have 44 different permutation matrices 5 x 5 with trace 0.

%Y A171806, A171808, A171809, A171907, A171908

%K nonn

%O 0,1

%A _Artur Jasinski_, Dec 31 2009

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Last modified June 4 17:14 EDT 2020. Contains 334828 sequences. (Running on oeis4.)