arctanh(log(x+1)-arcsinh(x))=-1/2!*x^2+3/3!*x^3-6/4!*x^4+15/5!*x^5...

A013278

arctanh(log(x+1)-arcsinh(x))=-1/2!*x^2+3/3!*x^3-6/4!*x^4+15/5!*x^5...

Terms

    a(0) =0a(1) =0a(2) =-1a(3) =3a(4) =-6a(5) =15a(6) =-150a(7) =1575a(8) =-12600a(9) =101115a(10) =-1103760a(11) =14708925a(12) =-198336600a(13) =2783105325a(14) =-43768604880a(15) =754367488875

External references