Numerators of coefficients in the e.g.f. a(x) such that a(a(x)) = exp(x) - 1.

A052122

Numerators of coefficients in the e.g.f. a(x) such that a(a(x)) = exp(x) - 1.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =1a(4) =0a(5) =1a(6) =-7a(7) =1a(8) =159a(9) =-843a(10) =-1231a(11) =2359233a(12) =-13303471a(13) =-271566005a(14) =10142361989a(15) =126956968965

External references