Expansion of e.g.f.: arctanh(arctanh(x)+log(x+1))=2*x-1/2!*x^2+20/3!*x^3-54/4!*x^4...
A013163
Expansion of e.g.f.: arctanh(arctanh(x)+log(x+1))=2*x-1/2!*x^2+20/3!*x^3-54/4!*x^4...
Terms
- a(0) =0a(1) =2a(2) =-1a(3) =20a(4) =-54a(5) =1196a(6) =-7590a(7) =183424a(8) =-2024456a(9) =53868512a(10) =-879522480a(11) =25940060736a(12) =-567297596448
External references
- oeis: A013163