A035009

View A035009 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.

• A008278 → x ↦ x/(x+1) (match row sums)
  1 · 1, 2 · 1, 5, 5 · 1, 9, 22, 15 … row sums 1, 3, 11, 47, 227, 1215, 7107, 44959, …
  [−1, 0] nonnegative
• A007318 → basis A049020 → reverse (match row sums)
  1 · 1, 2 · 1, 5, 5 · 1, 9, 22, 15 … row sums 1, 3, 11, 47, 227, 1215, 7107, 44959, …
  (−∞, 0] nonnegative
• A008277 → x ↦ x+1 (match row sums)
  1 · 2, 1 · 5, 5, 1 · 15, 22, 9, 1 … row sums 1, 3, 11, 47, 227, 1215, 7107, 44959, …
  (−∞, −1] nonnegative
• A137597: Triangle read by rows: A008277 * A007318. (match row sums)
  A007318 → basis A049020
  1 · 2, 1 · 5, 5, 1 · 15, 22, 9, 1 … row sums 1, 3, 11, 47, 227, 1215, 7107, 44959, …
  A137597 (−∞, −1] nonnegative