A209599

Sequences linked to this entry ?

• A209599: Triangle T(n,k), read by rows, given by (2, -1/2, -1/2, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (0, 1/2, -1/2, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the op… identification
  1 · 2 · 3, 1 · 5, 3 … Σ 1, 2, 4, 8, 16, 32, 64, 128, …
  (−∞, −1]nonnegative
• A236076: A skewed version of triangular array A122075. match reversed triangle
  1 · 0, 2 · 0, 1, 3 · 0, 0, 3, 5 … Σ 1, 2, 4, 8, 16, 32, 64, 128, …
  [−1, 0]nonnegative