Expansion of e.g.f.: cosh(x)*cos(log(1+x)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =3a(4) =-15a(5) =70a(6) =-354a(7) =1995a(8) =-12667a(9) =89892a(10) =-705244a(11) =6042575a(12) =-55837075a(13) =548985138a(14) =-5650236630a(15) =59493168735a(16) =-615581655639