Numerators of coefficients in function a(x) such that a(a(x)) = sinh(x).

A048606

Numerators of coefficients in function a(x) such that a(a(x)) = sinh(x).

Terms

    a(0) =1a(1) =1a(2) =-1a(3) =53a(4) =-23a(5) =92713a(6) =-742031a(7) =-594673187a(8) =329366540401

External references