A121629
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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A028338 → basis A008277
(match row sums)
1 · 2, 1 · 8, 7, 1 · 48, 57, 15, 1 … row sums 1, 3, 16, 121, 1179, 14026, 196783, …