G.f. A(x) satisfies: A(x) = 1 / ((1 - x) * (1 - x * A(3*x))).
A348858
G.f. A(x) satisfies: A(x) = 1 / ((1 - x) * (1 - x * A(3*x))).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =103a(4) =3101a(5) =261192a(6) =64285189a(7) =47059492688
External references
- oeis: A348858