Number of ways to write the permutation n,n-1,...,1 of 1,2,...,n as a product of n(n-1)/2 transpositions, where each transposition of 1,2,...,n occurs exactly once.
A092238
Number of ways to write the permutation n,n-1,...,1 of 1,2,...,n as a product of n(n-1)/2 transpositions, where each transposition of 1,2,...,n occurs exactly once.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =64a(5) =59712a(6) =3580519776
External references
- oeis: A092238