A371488

Sequences linked to this entry ?

• A371081: Triangle read by rows, (2, 2)-Lah numbers. match row sums
  1 · 16, 1 · 400, 52, 1 · 14400, 2948, 116, 1 … Σ 1, 17, 453, 17465, 921233, 63789145, …
  (−∞, 0]nonnegative