A394644
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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A118931 → basis A013610
(match row sums)
1 · 1 · 1 · 3, 6 … row sums 1, 1, 1, 9, 33, 81, 801, 4761, …