A015446
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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A128099 → basis A013611
(match row sums)
1 · 1 · 3, 8 · 5, 16 … row sums 1, 1, 11, 21, 131, 341, 1651, 5061, …