A015544
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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A081577 → basis A013610
(match row sums)
1 · 2, 3 · 6, 18, 9 · 16, 72, 90, 27 … row sums 1, 5, 33, 205, 1289, 8085, 50737, …