A171906 a(n) = number of 5 X 5 permutation matrices with trace n.
44, 45, 20, 10, 0, 1
Offset: 0
Keywords
Examples
a(0)=44 because we have 44 different permutation matrices 5 x 5 with trace 0.
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a(0)=44 because we have 44 different permutation matrices 5 x 5 with trace 0.
a(0)=20 because we have 20 different permutation matrices 5 x 5 with trace 0 and determinant -1.