Order of the subgroup of the symmetric group S_(2n) generated by the 2 cycles: (1,2,...n,2n,2n-1,...,n+1) and (1,2,...,2n).

A070740

Order of the subgroup of the symmetric group S_(2n) generated by the 2 cycles: (1,2,...n,2n,2n-1,...,n+1) and (1,2,...,2n).

Terms

    a(0) =24a(1) =36a(2) =40320a(3) =7200a(4) =479001600a(5) =25401600a(7) =65840947200

External references