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

Terms

a(0) =0a(1) =1a(2) =-4a(3) =16a(4) =-79a(5) =498a(6) =-3903a(7) =36727a(8) =-403548a(9) =5071441a(10) =-71752592a(11) =1128768188a(12) =-19545504383a(13) =369430614902