G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x))^2.
A367232
G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x))^2.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =29a(4) =189a(5) =1325a(6) =9757a(7) =74429a(8) =583037a(9) =4662653a(10) =37911037a(11) =312457469a(12) =2604534269a(13) =21919435517a(14) =185992729085
External references
- oeis: A367232