G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x))^3.
A367233
G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x))^3.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =39a(4) =284a(5) =2223a(6) =18267a(7) =155445a(8) =1358073a(9) =12111306a(10) =109802183a(11) =1009001571a(12) =9376972698a(13) =87978198364a(14) =832223905371
External references
- oeis: A367233