A110665
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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A124038 → D
(match row sums)
1 · -2, 2 · -2, -4, 3 · 4, -6, -6, 4 … row sums 0, 1, 0, -3, -4, 0, 6, 7, …