A038278
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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A013613 → basis A013609
(match triangle)
1 · 7, 12 · 49, 168, 144 · 343, 1764, 3024, 1728 … row sums 1, 19, 361, 6859, 130321, 2476099, …