A199478
Sequences linked to this entry ?
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A199478: Irregular triangle read by rows: T(n,i) = 2^(i-1)*(binomial(n-i+1,i)+binomial(n-i,i)), n >= 1, 0 <= i <= (n+1)/2.
identification, match triangle
1, 1 · 1, 3 · 1, 5, 2 · 1, 7, 8 … Σ 2, 4, 8, 16, 32, 64, 128, 256, …