A139626
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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A178821 → basis A013611
(match row sums)
1 · 10, 20 · 60, 240, 240 · 280, 1680, 3360, 2240 … row sums 1, 30, 540, 7560, 90720, 979776, …