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

A009382

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

Terms

    a(0) =0a(1) =1a(2) =-3a(3) =13a(4) =-74a(5) =565a(6) =-5318a(7) =60163a(8) =-792504a(9) =11933945a(10) =-202119498a(11) =3803708863a(12) =-78738133484

External references