A305834
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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A081579 → γ
(match triangle)
1 · 1 · 1, 4 · 1, 8 … row sums 1, 1, 5, 9, 29, 65, 181, 441, …