Expansion of F(x) where F(x) = 1 + x / (1 - x / F(-x^2) ).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =4a(7) =6a(8) =9a(9) =13a(10) =18a(11) =26a(12) =38a(13) =54a(14) =77a(15) =111a(16) =160a(17) =229a(18) =328a(19) =472a(20) =678a(21) =972a(22) =1396a(23) =2006a(24) =2880a(25) =4134a(26) =5937a(27) =8527a(28) =12242a(29) =17577