A134058
Sequences linked to this entry ?
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A134058: Triangle T(n, k) = 2*binomial(n, k) with T(0, 0) = 1, read by rows.
identification, match reversed triangle, match triangle
1 · 2, 2 · 2, 4, 2 · 2, 6, 6, 2 … Σ 1, 4, 8, 16, 32, 64, 128, 256, …