A036217

View A036217 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.

• A178821 → x ↦ x/(x+1) (match row sums)
  1 · 5, 10 · 15, 60, 60 · 35, 210, 420, 280 … row sums 1, 15, 135, 945, 5670, 30618, 153090, …
  [−1, 0] nonnegative rational roots
• A178821 → basis A007318 (match row sums)
  1 · 10, 5 · 60, 60, 15 · 280, 420, 210, 35 … row sums 1, 15, 135, 945, 5670, 30618, 153090, …
  (−∞, −1] nonnegative rational roots