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

Terms

a(0) =0a(1) =1a(2) =-3a(3) =7a(4) =-14a(5) =15a(6) =109a(7) =-1507a(8) =14988a(9) =-146311a(10) =1494945a(11) =-16290969a(12) =190291542a(13) =-2382532633a(14) =31911488361a(15) =-455996792755