Row sums of a q-Catalan triangle for q=2.

A154828

Row sums of a q-Catalan triangle for q=2.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =52a(4) =548a(5) =9852a(6) =323988a(7) =20589852a(8) =2599737428a(9) =658007495452

External references