G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x)^2)^2.
A367238
G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x)^2)^2.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =31a(4) =219a(5) =1672a(6) =13439a(7) =112043a(8) =960017a(9) =8402085a(10) =74791408a(11) =675033956a(12) =6163120105a(13) =56820187321a(14) =528231686315
External references
- oeis: A367238