A123347
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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A249251 → x ↦ x/(x+1)
(match row sums)
1 · 1, 4 · 1, 8, 13 · 1, 12, 42, 43 … row sums 1, 5, 22, 98, 436, 1940, 8632, 38408, …
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A116412 → basis A007318
(match row sums)
1 · 4, 1 · 13, 8, 1 · 43, 42, 12, 1 … row sums 1, 5, 22, 98, 436, 1940, 8632, 38408, …