Denominators of coefficients in function a(x) such that a(a(a(x))) = sin x.

A052135

Denominators of coefficients in function a(x) such that a(a(a(x))) = sin x.

Terms

    a(0) =1a(1) =18a(2) =1080a(3) =408240a(4) =29393280a(5) =215550720a(6) =648499737600

External references