G.f. satisfies A(x) = 1 + x*A(x)^4 / (1 - 2*x*A(x)^3).
A364923
G.f. satisfies A(x) = 1 + x*A(x)^4 / (1 - 2*x*A(x)^3).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =48a(4) =442a(5) =4419a(6) =46626a(7) =511032a(8) =5761650a(9) =66394596a(10) =778518552a(11) =9258850440a(12) =111417705702
External references
- oeis: A364923