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

Terms

a(0) =1a(1) =0a(2) =-1a(3) =3a(4) =-6a(5) =10a(6) =-6a(7) =-77a(8) =724a(9) =-5220a(10) =36364a(11) =-259457a(12) =1933704a(13) =-15161250a(14) =125278984a(15) =-1090268137a(16) =9973751184a(17) =-95650827080a(18) =958577301104