G.f. A(x) satisfies A(A(A(A(A(x))))) = B(x) (5th self-COMPOSE of A) such that the coefficients of B(x) consist only of numbers {1,2,3,4,5}, with B(0) = 0.

A112111

G.f. A(x) satisfies A(A(A(A(A(x))))) = B(x) (5th self-COMPOSE of A) such that the coefficients of B(x) consist only of numbers {1,2,3,4,5}, with B(0) = 0.

Terms

    a(0) =1a(1) =1a(2) =-3a(3) =17a(4) =-115a(5) =841a(6) =-6288a(7) =46174a(8) =-320366a(9) =1997348a(10) =-10216611a(11) =32418767a(12) =68603755a(13) =-1909624513a(14) =15239954041a(15) =-103620859984

External references