A011966
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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A159854 → basis A008277
(match row sums)
1, 3, 1 · 2, 10, 7, 1 · 4, 32, 38, 12, 1 … row sums 5, 20, 87, 409, 2066, 11155, 64077, …