arctanh(arcsinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+4/4!*x^4-20/5!*x^5...

A012580

arctanh(arcsinh(x)*log(x+1))=2/2!*x^2-3/3!*x^3+4/4!*x^4-20/5!*x^5...

Terms

    a(0) =0a(1) =0a(2) =2a(3) =-3a(4) =4a(5) =-20a(6) =398a(7) =-3339a(8) =20424a(9) =-170064a(10) =2806362a(11) =-43459515a(12) =558557580a(13) =-7606771380a(14) =138088561830

External references