G.f. A(x) satisfies A(x) = 1 + x + x*(1 + x)^2*A(x)^3.
A366239
G.f. A(x) satisfies A(x) = 1 + x + x*(1 + x)^2*A(x)^3.
Terms
- a(0) =1a(1) =2a(2) =8a(3) =49a(4) =329a(5) =2401a(6) =18452a(7) =147140a(8) =1206157a(9) =10101011a(10) =86047138a(11) =743288984a(12) =6495476548a(13) =57321239999a(14) =510104531479
External references
- oeis: A366239