Expansion of exp(exp(exp(x) - 1 - x) - 1).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =7a(5) =21a(6) =126a(7) =638a(8) =4264a(9) =28983a(10) =226018a(11) =1872300a(12) =16940661a(13) =163461455a(14) =1688378030a(15) =18501971647a(16) =214749109038