Number of permutations of [n] having exactly two nontrivial cycles.

A289950

Number of permutations of [n] having exactly two nontrivial cycles.

Terms

    a(0) =3a(1) =35a(2) =295a(3) =2359a(4) =19670a(5) =177078a(6) =1738326a(7) =18607446a(8) =216400569a(9) =2721632121a(10) =36842898989a(11) =534442231933

External references