sin(tan(x)-arctan(x))=4/3!*x^3-8/5!*x^5+992/7!*x^7-50304/9!*x^9...

A013441

sin(tan(x)-arctan(x))=4/3!*x^3-8/5!*x^5+992/7!*x^7-50304/9!*x^9...

Terms

    a(0) =4a(1) =-8a(2) =992a(3) =-50304a(4) =4573952a(5) =-738222080a(6) =127954033664

External references