Expansion of e.g.f.: sec(cos(x)*log(x+1))=1+1/2!*x^2-3/3!*x^3+4/4!*x^4-40/5!*x^5...

A012472

Expansion of e.g.f.: sec(cos(x)*log(x+1))=1+1/2!*x^2-3/3!*x^3+4/4!*x^4-40/5!*x^5...

Terms

    a(0) =1a(1) =0a(2) =1a(3) =-3a(4) =4a(5) =-40a(6) =250a(7) =-1260a(8) =14012a(9) =-133992a(10) =1310660a(11) =-16809980a(12) =215083592a(13) =-2938291200a(14) =45330896832a(15) =-728363224680

External references