G.f. A(x) satisfies: 6*A(x) = A(A(A(A(A(x))))) + 5*x + x^2 with A(0)=0.
A138915
G.f. A(x) satisfies: 6*A(x) = A(A(A(A(A(x))))) + 5*x + x^2 with A(0)=0.
Terms
- a(0) =1a(1) =1a(2) =20a(3) =1070a(4) =82620a(5) =7950630a(6) =893138136a(7) =113042205894
External references
- oeis: A138915