A083410
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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A131689 → (θ+1)²
(match row sums)
1 · 0, 4 · 0, 4, 18 · 0, 4, 54, 96 … row sums 1, 4, 22, 154, 1306, 12994, 148282, …