arcsinh(sin(tan(x)))=x-4/5!*x^5-192/7!*x^7-7600/9!*x^9-507136/11!*x^11...

A012015

arcsinh(sin(tan(x)))=x-4/5!*x^5-192/7!*x^7-7600/9!*x^9-507136/11!*x^11...

Terms

    a(0) =1a(1) =0a(2) =-4a(3) =-192a(4) =-7600a(5) =-507136a(6) =-40159040a(7) =-4621348864a(8) =-627047126784

External references