Numerator of [x^n] in the Taylor series arccosh(exp(x)-arctanh(x))= x-x^2/6-x^3/72 -359*x^4/2160 -1681*x^5/51840 -52981*x^6/435456 -...

A013325

Numerator of [x^n] in the Taylor series arccosh(exp(x)-arctanh(x))= x-x^2/6-x^3/72 -359*x^4/2160 -1681*x^5/51840 -52981*x^6/435456 -...

Terms

    a(0) =1a(1) =-1a(2) =-1a(3) =-359a(4) =-1681a(5) =-52981a(6) =-1887113a(7) =-27492467a(8) =-3259141

External references