A038295
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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A013620 → basis A013610
(match reversed triangle)
1 · 5, 9 · 25, 90, 81 · 125, 675, 1215, 729 … row sums 1, 14, 196, 2744, 38416, 537824, …