Expansion of tan(log(1+log(1+x))).

Terms

a(0) =0a(1) =1a(2) =-2a(3) =9a(4) =-59a(5) =504a(6) =-5284a(7) =65510a(8) =-936298a(9) =15143182a(10) =-273248976a(11) =5439702914a(12) =-118392773322