Another version of A005512, which is the main entry for this sequence.

A096984

Another version of A005512, which is the main entry for this sequence.

Terms

    a(0) =2a(1) =0a(2) =4a(3) =5a(4) =96a(5) =427a(6) =6448a(7) =56961a(8) =892720a(9) =11905091a(10) =211153944

External references