A126390
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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A039755 → x ↦ x+1
(match row sums)
1 · 2, 1 · 6, 6, 1 · 24, 34, 12, 1 … row sums 1, 3, 13, 71, 457, 3355, 27509, 248127, …
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A039756 → x ↦ x/(x+1)
(match row sums)
1 · 1, 2 · 1, 6, 6 · 1, 12, 34, 24 … row sums 1, 3, 13, 71, 457, 3355, 27509, 248127, …