Expansion of c(x/(1-x-x^2)) / (1-x-x^2), c(x) the g.f. of A000108.

A184018

Expansion of c(x/(1-x-x^2)) / (1-x-x^2), c(x) the g.f. of A000108.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =19a(4) =67a(5) =254a(6) =1017a(7) =4236a(8) =18168a(9) =79680a(10) =355635a(11) =1609912a(12) =7373401a(13) =34102976a(14) =159055728a(15) =747211753a(16) =3532452169a(17) =16792693562a(18) =80224098381a(19) =384948157635

External references