A277352
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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A008955 → basis A007318
(match row sums)
1 · 2, 1 · 10, 13, 4 · 100, 220, 157, 36 … row sums 1, 3, 27, 513, 16929, 863379, 63026667, …