A074143
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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A334218 → D
(match row sums)
2 · 3, 6 · 4, 32, 12 · 5, 110, 165, 20 … row sums 0, 0, 2, 9, 48, 300, 2160, 17640, …