A098172
Sequences linked to this entry ?
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A098172: Triangle T(n,k) with diagonals T(n,n-k) = binomial(n,3k).
identification, match triangle
Veronese parent of A098172 → Veronese 3 (j=1)1 · 0, 1 · 0, 0, 1 · 0, 0, 1, 1 … Σ 1, 1, 1, 2, 5, 11, 22, 43, …