A055389

Sequences linked to this entry ?

• A128540: Triangle A127647 * A097806, read by rows. match row sums
  1 · 1, 1 · 0, 2, 2 · 0, 0, 3, 3 … Σ 1, 2, 4, 6, 10, 16, 26, 42, …
  (−∞, 0]nonnegativerational roots
• Triangle T(n,k), read by rows, given by (1,-1,0,0,0,0,0,0,0,0,0,...) DELTA (1,0,-1,1,0,0,0,0,0,0,0,...) where DELTA is the operator defined in A084938. match row sums
  1, 1 · 0, 1, 1 · 0, 1, 2, 1 · 0, 0, 2, 3, 1 … Σ 2, 2, 4, 6, 10, 16, 26, 42, …
  (−∞, 0]nonnegative