A113070
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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A391533 → D
(match row sums)
4, 2 · 8, 10, 3 · 12, 26, 18, 4 · 16, 50, 57, 28, 5 … row sums 6, 21, 60, 156, 384, 912, 2112, 4800, …