A binomial recursion: a(n) = q(n) (see formula).

A135150

A binomial recursion: a(n) = q(n) (see formula).

Terms

    a(0) =0a(1) =1a(2) =7a(3) =59a(4) =577a(5) =6435a(6) =80731a(7) =1126321a(8) =17306899a(9) =290514275a(10) =5290386805a(11) =103892269503

External references