A286724
Sequences linked to this entry ?
-
A286724: Triangle read by rows. A generalization of unsigned Lah numbers, called L[2,1].
identification, match triangle
1 · 2, 1 · 8, 8, 1 · 48, 72, 18, 1 … Σ 1, 3, 17, 139, 1473, 19091, 291793, …