Triangular array of generalized Narayana numbers T(n,k) = 4*binomial(n+1,k)* binomial(n-4,k-1)/(n+1) for n >= 3 and 0 <= k <= n-3, read by rows.

A281297

Triangular array of generalized Narayana numbers T(n,k) = 4*binomial(n+1,k)* binomial(n-4,k-1)/(n+1) for n >= 3 and 0 <= k <= n-3, read by rows.

Terms

    a(0) =1a(1) =0a(2) =4a(3) =0a(4) =4a(5) =10a(6) =0a(7) =4a(8) =24a(9) =20a(10) =0a(11) =4a(12) =42a(13) =84a(14) =35a(15) =0a(16) =4a(17) =64a(18) =224a(19) =224a(20) =56a(21) =0a(22) =4a(23) =90a(24) =480a(25) =840a(26) =504a(27) =84a(28) =0a(29) =4

External references