A122685
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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A136572 → Veronese 2 (j=1)
(match row sums)
1 · 0, 6 · 0, 0, 120 · 0, 0, 0, 5040 … row sums 0, 1, 0, 6, 0, 120, 0, 5040, …