A299915
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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A116414 → x ↦ x/(x+1)
(match row sums)
1 · 4, 5 · 13, 34, 22 · 40, 162, 216, 95 … row sums 1, 9, 69, 513, 3789, 27945, 206037, …