G.f. A(x) satisfies: A(A(A(x))) = G(x) where G(x) = x + 2*x^2 + x*G(G(G(x))) is the g.f. of A215114.
A215115
G.f. A(x) satisfies: A(A(A(x))) = G(x) where G(x) = x + 2*x^2 + x*G(G(G(x))) is the g.f. of A215114.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =19a(4) =163a(5) =2269a(6) =34093a(7) =584767a(8) =10989271a(9) =224143489a(10) =4910384809a(11) =114714875755
External references
- oeis: A215115