Expansion of (g/(1 - x*g))^3, where g = 1+x*g^3 is the g.f. of A001764.
A391175
Expansion of (g/(1 - x*g))^3, where g = 1+x*g^3 is the g.f. of A001764.
Terms
- a(0) =1a(1) =6a(2) =30a(3) =149a(4) =762a(5) =4029a(6) =21942a(7) =122472a(8) =697530a(9) =4039307a(10) =23716560a(11) =140877771a(12) =845131839a(13) =5113222488a(14) =31164896430a(15) =191178373011
External references
- oeis: A391175