Number of permutations of [n] whose order is a multiple of n.

A346121

Number of permutations of [n] whose order is a multiple of n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =240a(6) =720a(7) =5040a(8) =40320a(9) =816480a(10) =3628800a(11) =108108000a(12) =479001600a(13) =14789174400a(14) =254431457280

External references