A038240
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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A038291 → basis A013611
(match reversed triangle)
1 · 10, 4 · 100, 80, 16 · 1000, 1200, 480, 64 … row sums 1, 14, 196, 2744, 38416, 537824, …