A085939
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 A013609
(match row sums)
1 · 2, 2 · 6, 12, 4 · 16, 48, 40, 8 … row sums 1, 4, 22, 112, 580, 2992, 15448, 79744, …