A121586
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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A094638 → D+1
(match row sums)
1 · 2, 1 · 4, 7, 2 · 7, 28, 29, 6 … row sums 1, 3, 13, 70, 446, 3276, 27252, 253296, …
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A094638 → θ+1
(match row sums)
1 · 1, 2 · 1, 6, 6 · 1, 12, 33, 24 … row sums 1, 3, 13, 70, 446, 3276, 27252, 253296, …