A094088

Sequences linked to this entry ?

• A241171: Triangle read by rows: Joffe's central differences of zero, T(n,k), 1 <= k <= n. match row sums
  1 · 1, 6 · 1, 30, 90 · 1, 126, 1260, 2520 … Σ 1, 7, 121, 3907, 202741, 15430207, …
  (−∞, 0]nonnegative