Expansion of g/(1 + x^2*g^6), where g = 1+x*g^4 is the g.f. of A002293.

A391327

Expansion of g/(1 + x^2*g^6), where g = 1+x*g^4 is the g.f. of A002293.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =15a(4) =92a(5) =625a(6) =4518a(7) =34067a(8) =264876a(9) =2108122a(10) =17089955a(11) =140620685a(12) =1171370236a(13) =9858740030a(14) =83708026208a(15) =716151866019

External references