G.f. satisfies: A(x) = (1 - x^3*A(x)^3)^2 / (1 - x*A(x))^4.
A253255
G.f. satisfies: A(x) = (1 - x^3*A(x)^3)^2 / (1 - x*A(x))^4.
Terms
- a(0) =1a(1) =4a(2) =26a(3) =202a(4) =1731a(5) =15780a(6) =150117a(7) =1473292a(8) =14807363a(9) =151638550a(10) =1576616125a(11) =16598802248a(12) =176599380271
External references
- oeis: A253255