G.f. satisfies: A(x) = 1 + x*A(x) * A( x*A(x)^2 ).
A162661
G.f. satisfies: A(x) = 1 + x*A(x) * A( x*A(x)^2 ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =33a(5) =189a(6) =1249a(7) =9237a(8) =74972a(9) =659042a(10) =6215154a(11) =62435805a(12) =664459091a(13) =7458334388a(14) =87979090059
External references
- oeis: A162661