The number of n-permutations whose connected components have the same size.

A182449

The number of n-permutations whose connected components have the same size.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =15a(4) =72a(5) =472a(6) =3448a(7) =29264a(8) =273371a(9) =2834368a(10) =31998904a(11) =392958758a(12) =5201061456a(13) =73955306224

External references