A066223

Sequences linked to this entry ?

• A176230: Exponential Riordan array [1/sqrt(1-2x), x/(1-2x)]. match row sums
  1 · 1, 1 · 3, 6, 1 · 15, 45, 15, 1 … Σ 1, 2, 10, 76, 764, 9496, 140152, …
  (−∞, 0)nonnegative