A025167

Sequences linked to this entry ?

• A286724: Triangle read by rows. A generalization of unsigned Lah numbers, called L[2,1]. match row sums
  1 · 2, 1 · 8, 8, 1 · 48, 72, 18, 1 … Σ 1, 3, 17, 139, 1473, 19091, 291793, …
  (−∞, 0)nonnegative