Expansion of e.g.f.: tan(log(1+x)/exp(x)).

A009654

Expansion of e.g.f.: tan(log(1+x)/exp(x)).

Terms

    a(0) =0a(1) =1a(2) =-3a(3) =10a(4) =-60a(5) =535a(6) =-5545a(7) =65182a(8) =-880992a(9) =13534757a(10) =-231683143a(11) =4360580794a(12) =-89533557212

External references