A131222

Sequences linked to this entry ?

• A131222: Exponential Riordan array [1, log((1-x)/(1-2x))]. identification, match triangle
  1 · 0, 1 · 0, 3, 1 · 0, 14, 9, 1 … Σ 1, 1, 4, 24, 192, 1920, 23040, 322560, …
  (−∞, 0]nonnegative