Number of difference sets for permutations of [2n] with distinct differences.

A141599

Number of difference sets for permutations of [2n] with distinct differences.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =24a(4) =288a(5) =3856a(6) =89328a(7) =2755968a(8) =103653120

External references