A049608
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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A062145 → x ↦ x/(x+1)
(match row sums)
1 · 1, 5 · 1, 12, 21 · 1, 21, 84, 84 … row sums 1, 6, 34, 190, 1059, 5908, 33028, …