A058396
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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A159854 → (θ+1)²
(match row sums)
0, 0, 9 · 0, 0, 9, 16 · 0, 0, 9, 32, 25 … row sums 9, 25, 66, 168, 416, 1008, 2400, 5632, …