A002411

View A002411 at the OEIS

identification: the entry's rule defines the sequence for every index; tail: the sequence is the entry's tail after some prefix rows; match_*: finite agreement only.

• A010054 → reverse → D+1 (match row sums)
  1 · 3, 3 · 0, 12, 6 · 0, 0, 30, 10 … row sums 1, 6, 18, 40, 75, 126, 196, 288, …
  (−∞, 0] nonnegative rational roots
• A010054 → reverse → θ+1 (match row sums)
  1 · 0, 6 · 0, 0, 18 · 0, 0, 0, 40 … row sums 1, 6, 18, 40, 75, 126, 196, 288, …
  (−∞, 0] nonnegative rational roots
• A023531 → (1/2)D²+2D+1 → D (match row sums)
  1 · 4, 2 · 3, 12, 3 · 0, 12, 24, 4 … row sums 0, 1, 6, 18, 40, 75, 126, 196, …
  (−∞, 0] nonnegative