A038229
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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A038303 → basis A013610
(match reversed triangle)
1 · 11, 3 · 121, 66, 9 · 1331, 1089, 297, 27 … row sums 1, 14, 196, 2744, 38416, 537824, …