A103450

Sequences linked to this entry ?

• A103450: A figurate number triangle read by rows. identification, match reversed triangle, match triangle
  1 · 1, 1 · 1, 3, 1 · 1, 5, 5, 1 … Σ 1, 2, 5, 12, 28, 64, 144, 320, …
  (−∞, 0)nonnegative