G.f. satisfies: A(x) = (4 + A(x)^3) / (5 - 4*x).
A244627
G.f. satisfies: A(x) = (4 + A(x)^3) / (5 - 4*x).
Terms
- a(0) =1a(1) =2a(2) =10a(3) =84a(4) =882a(5) =10380a(6) =130916a(7) =1729960a(8) =23640770a(9) =331357276a(10) =4737405356a(11) =68818101400
External references
- oeis: A244627