tan(arctanh(x)-sin(x)) = 3/3!*x^3 + 23/5!*x^5 + 721/7!*x^7 + 55439/9!*x^9...

A013390

tan(arctanh(x)-sin(x)) = 3/3!*x^3 + 23/5!*x^5 + 721/7!*x^7 + 55439/9!*x^9...

Terms

    a(0) =0a(1) =3a(2) =23a(3) =721a(4) =55439a(5) =5541481a(6) =816082343a(7) =167874570865

External references