G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - 6*x)) / (1 - 6*x)^2.
A351812
G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - 6*x)) / (1 - 6*x)^2.
Terms
- a(0) =1a(1) =1a(2) =13a(3) =139a(4) =1531a(5) =19021a(6) =271453a(7) =4358179a(8) =76896931a(9) =1471496341a(10) =30333401893a(11) =670125430219
External references
- oeis: A351812