A193726

Sequences linked to this entry ?

• A193726: Triangular array: the fusion of polynomial sequences P and Q given by p(n,x)=(x+2)^n and q(n,x)=(x+2)^n. identification, match triangle
  1 · 1, 2 · 2, 9, 10 · 4, 28, 65, 50 … Σ 1, 3, 21, 147, 1029, 7203, 50421, …
  (−∞, 0)nonnegativerational roots
• A193727: Mirror of the triangle A193726. match reversed triangle
  1 · 2, 1 · 10, 9, 2 · 50, 65, 28, 4 … Σ 1, 3, 21, 147, 1029, 7203, 50421, …
  (−∞, 0)nonnegativerational roots