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

A048603

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

Terms

    a(0) =1a(1) =12a(2) =160a(3) =40320a(4) =71680a(5) =1277337600a(6) =79705866240

External references