A281260
Sequences linked to this entry ?
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A281260: Triangular array of generalized Narayana numbers T(n,k) = 2*binomial(n+1,k)* binomial(n-2,k-1)/(n+1) for n >= 1 and 0 <= k <= n-1, read by rows.
identification, match triangle
1 · 0, 2 · 0, 2, 3 · 0, 2, 8, 4 … Σ 1, 2, 5, 14, 42, 132, 429, 1430, …