A088617
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A088617: Triangle read by rows: T(n,k) = C(n+k,n)*C(n,k)/(k+1), for n >= 0, k = 0..n.
identification, match triangle
1 · 1, 1 · 1, 3, 2 · 1, 6, 10, 5 … Σ 1, 2, 6, 22, 90, 394, 1806, 8558, …
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