Expansion of e.g.f.: sech(tan(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+45/4!*x^4-300/5!*x^5...

A012935

Expansion of e.g.f.: sech(tan(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+45/4!*x^4-300/5!*x^5...

Terms

    a(0) =1a(1) =0a(2) =-4a(3) =6a(4) =45a(5) =-300a(6) =-534a(7) =18102a(8) =-53375a(9) =-1330056a(10) =14429056a(11) =83284630a(12) =-3017899731a(13) =8484163116a(14) =613472266078

External references