Expansion of g^3/(1 + x*g), where g = 1+x*g^3 is the g.f. of A001764.

A391404

Expansion of g^3/(1 + x*g), where g = 1+x*g^3 is the g.f. of A001764.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =41a(4) =205a(5) =1076a(6) =5857a(7) =32754a(8) =187056a(9) =1086335a(10) =6396041a(11) =38090629a(12) =229044178a(13) =1388717287a(14) =8480503705a(15) =52113795057a(16) =322022338699

External references