A152268
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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A110441 → x ↦ x/(x+1)
(match row sums)
1 · 3, 4 · 7, 20, 14 · 15, 68, 100, 48 … row sums 1, 7, 41, 231, 1289, 7175, 39913, …