A034478
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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A038220 → Veronese 2
(match row sums)
1 · 3 · 9, 4 · 27, 36 … row sums 1, 3, 13, 63, 313, 1563, 7813, 39063, …