Number of permutations of 1..2*n+7 with no adjacent elements within n in value.

A179965

Number of permutations of 1..2*n+7 with no adjacent elements within n in value.

Terms

    a(0) =5040a(1) =47622a(2) =521606a(3) =6231544a(4) =76972416a(5) =957913824a(6) =11902581120

External references