G.f. A(x) satisfies: A(x) = 1 + x * A(3*x/(1 + 2*x)) / (1 - x).
A353041
G.f. A(x) satisfies: A(x) = 1 + x * A(3*x/(1 + 2*x)) / (1 - x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =34a(4) =820a(5) =62140a(6) =14651728a(7) =10547347384
External references
- oeis: A353041