arctanh(arcsinh(x)+log(x+1))=2*x-1/2!*x^2+17/3!*x^3-54/4!*x^4...

A013077

arctanh(arcsinh(x)+log(x+1))=2*x-1/2!*x^2+17/3!*x^3-54/4!*x^4...

Terms

    a(0) =0a(1) =2a(2) =-1a(3) =17a(4) =-54a(5) =941a(6) =-6870a(7) =134809a(8) =-1663256a(9) =37308773a(10) =-659405520a(11) =16954969731a(12) =-390215041128

External references