G.f. A(x) satisfies: A(x) = x + x^2 / exp(A(x) + A(x^2)/2 + A(x^3)/3 + A(x^4)/4 + ...).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =-1a(4) =2a(5) =0a(6) =-4a(7) =3a(8) =7a(9) =-12a(10) =-8a(11) =35a(12) =-6a(13) =-87a(14) =84a(15) =172a(16) =-367a(17) =-187a(18) =1175a(19) =-417a(20) =-3003a(21) =3621a(22) =5723a(23) =-15126a(24) =-4374a(25) =47813a(26) =-26192a(27) =-119731a(28) =175835a(29) =211797