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

A387679

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

Terms

    a(0) =1a(1) =1a(2) =3a(3) =11a(4) =51a(5) =255a(6) =1341a(7) =7304a(8) =40857a(9) =233353a(10) =1355221a(11) =7978929a(12) =47514887a(13) =285696430a(14) =1732095126a(15) =10576735463a(16) =64991316063a(17) =401570899119

External references