Expansion of 1/(g * (2 - g^2)), where g = 1+x*g^3 is the g.f. of A001764.

A391517

Expansion of 1/(g * (2 - g^2)), where g = 1+x*g^3 is the g.f. of A001764.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =44a(4) =280a(5) =1806a(6) =11769a(7) =77286a(8) =510514a(9) =3387658a(10) =22561741a(11) =150705344a(12) =1009119434a(13) =6770814060a(14) =45507973580a(15) =306318975672

External references