A036216
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.
-
A178820 → x ↦ x/(x+1)
(match row sums)
1 · 4, 8 · 10, 40, 40 · 20, 120, 240, 160 … row sums 1, 12, 90, 540, 2835, 13608, 61236, …
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A178820 → basis A007318
(match row sums)
1 · 8, 4 · 40, 40, 10 · 160, 240, 120, 20 … row sums 1, 12, 90, 540, 2835, 13608, 61236, …