A098430
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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A356546 → basis A013609
(match row sums)
1 · 4, 4 · 24, 48, 24 · 160, 480, 480, 160 … row sums 1, 8, 96, 1280, 17920, 258048, 3784704, …