A267941
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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A082985 → x ↦ x+1
(match row sums)
1 · 4, 3 · 11, 15, 5 · 29, 56, 35, 7 … row sums 1, 7, 31, 127, 511, 2047, 8191, 32767, …
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A111125 → x ↦ x/(x+1)
(match row sums)
1 · 3, 4 · 5, 15, 11 · 7, 35, 56, 29 … row sums 1, 7, 31, 127, 511, 2047, 8191, 32767, …