Alternative version of A114572 with a(0) = 1 instead of 2.

A118085

Alternative version of A114572 with a(0) = 1 instead of 2.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =27a(5) =185a(6) =2135a(7) =55129

External references