Expansion of g^3/(1 - x*g)^4, where g = 1+x*g^3 is the g.f. of A001764.
A391176
Expansion of g^3/(1 - x*g)^4, where g = 1+x*g^3 is the g.f. of A001764.
Terms
- a(0) =1a(1) =7a(2) =38a(3) =197a(4) =1030a(5) =5509a(6) =30186a(7) =169050a(8) =964610a(9) =5591855a(10) =32852000a(11) =195207661a(12) =1171258431a(13) =7086855039a(14) =43194471330a(15) =264964662351
External references
- oeis: A391176