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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =3a(4) =2a(5) =-20a(6) =-40a(7) =630a(8) =-3092a(9) =13032a(10) =-133580a(11) =1827980a(12) =-21237632a(13) =244445760a(14) =-3154775208a(15) =45173375520a(16) =-689191245168