A005053

View A005053 at the OEIS

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.

• A120910 → x ↦ x/(x+1) (match row sums)
  3 · 6, 9 · 12, 36, 27 · 24, 108, 162, 81 … row sums 3, 15, 75, 375, 1875, 9375, 46875, …
  [−1, 0] nonnegative rational roots
• A120910 → basis A013609 (match row sums)
  3 · 9, 6 · 27, 36, 12 · 81, 162, 108, 24 … row sums 3, 15, 75, 375, 1875, 9375, 46875, …
  (−∞, −1] nonnegative rational roots