Expansion of g/(1 - x^3*g^6), where g = 1+x*g^3 is the g.f. of A001764.

A391064

Expansion of g/(1 - x^3*g^6), where g = 1+x*g^3 is the g.f. of A001764.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =13a(4) =62a(5) =315a(6) =1674a(7) =9193a(8) =51759a(9) =297174a(10) =1733322a(11) =10241823a(12) =61176883a(13) =368807090a(14) =2241052623a(15) =13711815645a(16) =84403480214a(17) =522329376663

External references