A357367
Sequences linked to this entry ?
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A357367: Triangle read by rows. T(n, k) = binomial(n - 1, k - 1)*(n + k)! / k!.
identification, match triangle
1 · 0, 2 · 0, 6, 12 · 0, 24, 120, 120 … Σ 1, 2, 18, 264, 5400, 141840, 4551120, …