G.f. A(x) satisfies A(x/A(x)^3) = 1/(1-x)^2.
A145168
G.f. A(x) satisfies A(x/A(x)^3) = 1/(1-x)^2.
Terms
- a(0) =1a(1) =2a(2) =15a(3) =226a(4) =4959a(5) =136338a(6) =4361818a(7) =155947386a(8) =6080986701a(9) =254568183028
External references
- oeis: A145168