Number of permutations in the symmetric group S_n such that the size of their conjugacy class is even.

A052361

Number of permutations in the symmetric group S_n such that the size of their conjugacy class is even.

Terms

    a(0) =0a(1) =0a(2) =2a(3) =20a(4) =104a(5) =644a(6) =4808a(7) =40214a(8) =361934a(9) =3623084a(10) =39889024a(11) =478937744a(12) =6226748384a(13) =87175900720

External references