A125662

View A125662 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.

• A125662: A convolution triangle of numbers based on A001906 (even-indexed Fibonacci numbers). (identification, match triangle)
  1 · 3, 1 · 8, 6, 1 · 21, 25, 9, 1 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
  A125662 (−5, −1) nonnegative
• A172431 → x ↦ x/(x+1) (match reversed triangle)
  1 · 1, 3 · 1, 6, 8 · 1, 9, 25, 21 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
  [−1, 0] nonnegative
• A125662 → reverse (match reversed triangle)
  1 · 1, 3 · 1, 6, 8 · 1, 9, 25, 21 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
  (−1, 0] nonnegative
• A078812 → basis A007318 (match triangle)
  1 · 3, 1 · 8, 6, 1 · 21, 25, 9, 1 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
  (−5, −1) nonnegative