A193728

Sequences linked to this entry ?

• A193728: Triangular array: the fusion of polynomial sequences P and Q given by p(n,x) = (x+2)^n and q(n,x) = (2*x+1)^n. identification, match triangle
  1 · 2, 1 · 8, 10, 3 · 32, 64, 42, 9 … Σ 1, 3, 21, 147, 1029, 7203, 50421, …
  (−∞, 0)nonnegativerational roots
• A193729: Mirror of the triangle A193728. match reversed triangle
  1 · 1, 2 · 3, 10, 8 · 9, 42, 64, 32 … Σ 1, 3, 21, 147, 1029, 7203, 50421, …
  (−∞, 0)nonnegativerational roots