A038288
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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A013622 → basis A013609
(match triangle)
1 · 8, 10 · 64, 160, 100 · 512, 1920, 2400, 1000 … row sums 1, 18, 324, 5832, 104976, 1889568, …