A377714
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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A086645 → Veronese 2
(match row sums)
1 · 1 · 1, 1 · 1, 15 … row sums 1, 1, 2, 16, 72, 256, 992, 4096, …