A007564

View A007564 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.

• A001263 → basis A013609 (match row sums)
  1 · 2, 2 · 5, 10, 4 · 14, 42, 36, 8 … row sums 1, 4, 19, 100, 562, 3304, 20071, …
  (−∞, 0] nonnegative
• A033282 → x ↦ x/(x+1) (match row sums)
  1 · 1, 3 · 1, 7, 11 · 1, 12, 42, 45 … row sums 1, 4, 19, 100, 562, 3304, 20071, …
  [−1, 0) nonnegative
• A126216 → basis A007318 (match row sums)
  1 · 3, 1 · 11, 7, 1 · 45, 42, 12, 1 … row sums 1, 4, 19, 100, 562, 3304, 20071, …
  (−∞, −1] nonnegative
• narayana → basis A013609 (match row sums)
  1 · 2, 2 · 5, 10, 4 · 14, 42, 36, 8 … row sums 1, 4, 19, 100, 562, 3304, 20071, …
  (−∞, 0] nonnegative