Number of permutations of [n] without fixed points and all cycles equal length.

A343576

Number of permutations of [n] without fixed points and all cycles equal length.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =2a(4) =9a(5) =24a(6) =175a(7) =720a(8) =6405a(9) =42560a(10) =436401a(11) =3628800a(12) =48073795a(13) =479001600a(14) =7116730335a(15) =88966701824

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