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

A013277

tanh(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) =-90a(7) =315a(8) =2520a(9) =-42525a(10) =340200a(11) =-3586275a(12) =56133000a(13) =-662837175a(14) =4767562800a(15) =-32564156625a(16) =551675124000

External references