A048854
Sequences linked to this entry ?
-
A048854: Triangle read by rows. A generalization of unsigned Lah numbers, called L[4,1].
identification, match triangle
1 · 2, 1 · 12, 12, 1 · 120, 180, 30, 1 … Σ 1, 3, 25, 331, 5937, 133651, 3609673, …