Odd bisection of A007750.

A007752

Odd bisection of A007750.

Terms

    a(0) =1a(1) =24a(2) =391a(3) =6240a(4) =99457a(5) =1585080a(6) =25261831a(7) =402604224a(8) =6416405761a(9) =102259887960

External references