A203150
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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A103633 → D
(match row sums)
1 · 1, 2 · 0, 2, 3 · 0, 2, 6, 4 … row sums 0, 1, 3, 5, 12, 16, 36, 44, …