A228955

Sequences linked to this entry ?

• A228955: Table: T(n,k) = n!*binomial(n+1,2*k). identification, match triangle
  1 · 1, 1 · 2, 6 · 6, 36, 6 … Σ 1, 2, 8, 48, 384, 3840, 46080, 645120, …
  (−∞, 0)nonnegative