a(n) = Sum_{k=0..n} A000984(k)*A001263(n+1,k+1), where A000984 is the central binomial coefficients and A001263 is the Narayana triangle.
A128079
a(n) = Sum_{k=0..n} A000984(k)*A001263(n+1,k+1), where A000984 is the central binomial coefficients and A001263 is the Narayana triangle.
Terms
- a(0) =1a(1) =3a(2) =13a(3) =69a(4) =411a(5) =2633a(6) =17739a(7) =124029a(8) =892327a(9) =6567285a(10) =49235715a(11) =374841195a(12) =2890994445a(13) =22545855855a(14) =177524073021
External references
- oeis: A128079