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

A391172

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

Terms

    a(0) =1a(1) =5a(2) =22a(3) =100a(4) =481a(5) =2436a(6) =12860a(7) =70134a(8) =392390a(9) =2240568a(10) =13006942a(11) =76543610a(12) =455611562a(13) =2738301975a(14) =16594871736a(15) =101296441536a(16) =622232097195

External references