G.f. A(x) satisfies: A(x) = x*(1 + 4*A(x)*A'(x)) / (1 + A(x)*A'(x)).
A301933
G.f. A(x) satisfies: A(x) = x*(1 + 4*A(x)*A'(x)) / (1 + A(x)*A'(x)).
Terms
- a(0) =1a(1) =3a(2) =24a(3) =291a(4) =4596a(5) =88230a(6) =1979088a(7) =50570823a(8) =1446341388a(9) =45706515546
External references
- oeis: A301933