Expansion of exp(x)/cos(log(1+x)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =11a(5) =-39a(6) =356a(7) =-3023a(8) =30841a(9) =-349979a(10) =4422846a(11) =-61445339a(12) =931259427a(13) =-15288729819a(14) =270290509256