Expansion of sin(log(1+x))*cos(x).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =-2a(4) =6a(5) =-15a(6) =75a(7) =-492a(8) =3668a(9) =-30955a(10) =291555a(11) =-3025926a(12) =34283106a(13) =-420908163a(14) =5566032199a(15) =-78872781080