A323943
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A024462: Triangle T(n,k) read by rows, arising in enumeration of catafusenes.
match reversed triangle
1 · 1, 1 · 1, 2, 1 · 1, 5, 7, 3 … Σ 1, 2, 4, 16, 64, 256, 1024, 4096, …
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