G.f. A(x) equals the composition of functions x*(1 + a(n)*x^n); let F_1(x) = x, F_{n+1}(x) = x*(1 + a(n)*F_n(x)^n), then A(x) = limit F_n(x): A(x) = ...o x*(1+a(n)*x^n) o...o x*(1+a(2)*x^2) o x*(1+a(1)*x).
A163133
G.f. A(x) equals the composition of functions x*(1 + a(n)*x^n); let F_1(x) = x, F_{n+1}(x) = x*(1 + a(n)*F_n(x)^n), then A(x) = limit F_n(x): A(x) = ...o x*(1+a(n)*x^n) o...o x*(1+a(2)*x^2) o x*(1+a(1)*x).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =11a(5) =42a(6) =196a(7) =988a(8) =5314a(9) =30724a(10) =189962a(11) =1244264a(12) =8583042a(13) =62112639a(14) =469917193a(15) =3707053139a(16) =30421506639a(17) =259182853643
External references
- oeis: A163133