G.f. A(x) satisfies: Sum_{n>=0} Product_{k=1..n} x^(n+1-k) + A(x)^k = 1.

Terms

a(0) =-1a(1) =1a(2) =-1a(3) =-1a(4) =5a(5) =-8a(6) =-1a(7) =30a(8) =-54a(9) =-5a(10) =179a(11) =-178a(12) =-608a(13) =1518a(14) =2611a(15) =-18198a(16) =24294a(17) =73472a(18) =-365936a(19) =454378a(20) =1238770a(21) =-6059472a(22) =7396293a(23) =18989602a(24) =-90050185a(25) =97765822a(26) =309199646a(27) =-1270466588a(28) =950395782a(29) =5591065880