exp(arcsinh(arcsinh(x))) = 1+x+1/2!*x^2-1/3!*x^3-7/4!*x^4+9/5!*x^5...

A012252

exp(arcsinh(arcsinh(x))) = 1+x+1/2!*x^2-1/3!*x^3-7/4!*x^4+9/5!*x^5...

Terms

    a(0) =1a(1) =1a(2) =1a(3) =-1a(4) =-7a(5) =9a(6) =169a(7) =-225a(8) =-8751a(9) =11025a(10) =789681a(11) =-893025a(12) =-110381943a(13) =108056025a(14) =22142611737a(15) =-18261468225

External references