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

A391062

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) =13a(4) =59a(5) =291a(6) =1517a(7) =8214a(8) =45753a(9) =260487a(10) =1509065a(11) =8867109a(12) =52718507a(13) =316556760a(14) =1917000798a(15) =11694375261a(16) =71798007603a(17) =443299413315

External references