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

Terms

a(0) =0a(1) =1a(2) =-1a(3) =-1a(4) =0a(5) =-11a(6) =15a(7) =27a(8) =-504a(9) =7785a(10) =-74025a(11) =835735a(12) =-9654216a(13) =121643677a(14) =-1646734089a(15) =23833558707a(16) =-368032192080