Number of permutations in the symmetric group S_n that have exactly one transposition in their cycle decomposition.

A088436

Number of permutations in the symmetric group S_n that have exactly one transposition in their cycle decomposition.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =6a(4) =30a(5) =225a(6) =1575a(7) =12180a(8) =109620a(9) =1100925a(10) =12110175a(11) =145259730a(12) =1888376490a(13) =26438216805a(14) =396573252075

External references