A172185

Sequences linked to this entry ?

• A172185: (9,11) Pascal triangle. identification, match triangle
  1 · 9, 11 · 9, 20, 11 · 9, 29, 31, 11 … Σ 1, 20, 40, 80, 160, 320, 640, 1280, …
  (−∞, 0)nonnegativerational roots