The number of ways to linearly order the cycles in each permutation of {1,2,...,n} where two cycles are considered identical if they have the same length.

A196301

The number of ways to linearly order the cycles in each permutation of {1,2,...,n} where two cycles are considered identical if they have the same length.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =9a(4) =44a(5) =270a(6) =2139a(7) =18837a(8) =186808a(9) =2070828a(10) =25861140a(11) =350000640a(12) =5145279611a(13) =81492295079

External references