A038234
identification: the entry's rule defines the sequence for every index; tail: the sequence is the entry's tail after some prefix rows; match_*: finite agreement only.
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A027465 → basis A013611
(match reversed triangle, match triangle)
1 · 4, 4 · 16, 32, 16 · 64, 192, 192, 64 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …