A350512
Sequences linked to this entry ?
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A350512: Triangle read by rows with T(n,0) = 1 for n >= 0 and T(n,k) = binomial(n-1,k-1)*(2*k*(n-k) + n)/k for 0 < k <= n.
identification, match reversed triangle, match triangle
1 · 1, 1 · 1, 4, 1 · 1, 7, 7, 1 … Σ 1, 2, 6, 16, 40, 96, 224, 512, …