A123160
Sequences linked to this entry ?
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A123160: Triangle read by rows: T(n,k) = n!*(n+k-1)!/((n-k)!*(n-1)!*(k!)^2) for 0 <= k <= n, with T(0,0) = 1.
identification, match triangle
1 · 1, 1 · 1, 4, 3 · 1, 9, 18, 10 … Σ 1, 2, 8, 38, 192, 1002, 5336, 28814, …