A025192
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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A028326 → basis A007318
(match row sums)
2 · 4, 2 · 8, 8, 2 · 16, 24, 12, 2 … row sums 2, 6, 18, 54, 162, 486, 1458, 4374, …
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A028326 → x ↦ x/(x+1)
(match row sums)
2 · 2, 4 · 2, 8, 8 · 2, 12, 24, 16 … row sums 2, 6, 18, 54, 162, 486, 1458, 4374, …