Expansion of e.g.f.: arctan(cosh(x)*log(x+1))=x-1/2!*x^2+3/3!*x^3-57/5!*x^5+405/6!*x^6...

A012759

Expansion of e.g.f.: arctan(cosh(x)*log(x+1))=x-1/2!*x^2+3/3!*x^3-57/5!*x^5+405/6!*x^6...

Terms

    a(0) =0a(1) =1a(2) =-1a(3) =3a(4) =0a(5) =-57a(6) =405a(7) =-1827a(8) =-4424a(9) =223541a(10) =-2901285a(11) =19263167a(12) =121524216a(13) =-6372341445a(14) =112206095729a(15) =-915357416711

External references