A166972
Sequences linked to this entry ?
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A166972: Triangle T(n,k) read by rows: T(n,k) = (n-k+1)*T(n-1,k-1) + (3*k-2)*k*T(n-1,k), initialized by T(n,1) = T(n,n) = 1.
identification, match triangle
1 · 1, 1 · 1, 10, 1 · 1, 83, 41, 1 … Σ 1, 2, 12, 126, 1902, 39852, 1092924, …