G.f.: A(x) = x + x*ITERATE^3(x + x*ITERATE^5(x + x*ITERATE^7(x + x*ITERATE^9(x + ...)))), where ITERATE^n(F(x)) denotes the n-th iteration of F(x), and the nesting of odd iterations continue indefinitely.

A205319

G.f.: A(x) = x + x*ITERATE^3(x + x*ITERATE^5(x + x*ITERATE^7(x + x*ITERATE^9(x + ...)))), where ITERATE^n(F(x)) denotes the n-th iteration of F(x), and the nesting of odd iterations continue indefinitely.