A038723
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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A232535 → x ↦ x/(x+1)
(match row sums)
1 · 1, 3 · 1, 10, 12 · 1, 21, 64, 48 … row sums 1, 4, 23, 134, 781, 4552, 26531, …