Expansion of e.g.f. sinh(log(1+x))/cos(x).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =6a(4) =-18a(5) =115a(6) =-615a(7) =4732a(8) =-36148a(9) =337797a(10) =-3315645a(11) =37027826a(12) =-440999526a(13) =5768129783a(14) =-80507865347