Generalized Catalan numbers 6*x*A(x)^2 -A(x) +1 -5*x =0.

A068768

Generalized Catalan numbers 6*x*A(x)^2 -A(x) +1 -5*x =0.

Terms

    a(0) =1a(1) =1a(2) =12a(3) =150a(4) =1944a(5) =25992a(6) =356832a(7) =5008824a(8) =71629920a(9) =1040509152a(10) =15315578496a(11) =227981324736

External references