arctan(sin(tan(x)))=x-1/3!*x^3+1/5!*x^5-169/7!*x^7-1823/9!*x^9...

A012014

arctan(sin(tan(x)))=x-1/3!*x^3+1/5!*x^5-169/7!*x^7-1823/9!*x^9...

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-169a(4) =-1823a(5) =-365905a(6) =-17126303a(7) =-3688466617a(8) =-393996411839

External references