Expansion of cosh(x)*cosh(log(1+x)).

Terms

a(0) =1a(1) =0a(2) =2a(3) =-3a(4) =19a(5) =-90a(6) =556a(7) =-3885a(8) =31109a(9) =-279972a(10) =2799766a(11) =-30797415a(12) =369569047a(13) =-4804397598a(14) =67261566464