sinh(arcsin(tanh(x)))=x-4/5!*x^5+80/7!*x^7-2224/9!*x^9+88960/11!*x^11...

A012127

sinh(arcsin(tanh(x)))=x-4/5!*x^5+80/7!*x^7-2224/9!*x^9+88960/11!*x^11...

Terms

    a(0) =1a(1) =0a(2) =-4a(3) =80a(4) =-2224a(5) =88960a(6) =-4942144a(7) =366928640a(8) =-35219691264

External references