E.g.f. exp(sin(log(1+x))).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-1a(4) =2a(5) =-4a(6) =16a(7) =-120a(8) =1084a(9) =-10568a(10) =111196a(11) =-1269764a(12) =15728360a(13) =-210510936a(14) =3029497472a(15) =-46654106824a(16) =765497451536