A086901
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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A035607 → basis A013609
(match row sums)
1 · 1 · 3, 4 · 7, 16, 8 … row sums 1, 1, 7, 31, 145, 673, 3127, 14527, …