A121314
Sequences linked to this entry ?
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A121314: Triangle T(n,k), 0 <= k <= n, read by rows given by [0, 1, 0, 0, 0, 0, ...] DELTA [1, 0, 1, 0, 0, 0, 0, 0, 0, 0, ...] where DELTA is the operator defi…
identification, match triangle
1 · 0, 1 · 0, 1, 1 · 0, 1, 3, 1 … Σ 1, 1, 2, 5, 13, 34, 89, 233, …