obreschkoff_combination

Obreschkoff combination Pₙ + Pₙ₊₁. All operations

216 sequences

• A028338 → x ↦ (−2/9)x+1 (shift +2) → Pₙ + Pₙ₊₁
  -4212, 864, -53, 1 · 153090, -35559, 2781, -89, 1 … row sums -3400, 120224, -5321680, 283162880, …
  (−∞, ∞) rational roots
• A013611 → Pₙ + Pₙ₊₁
  2, 4 · 2, 12, 16 · 2, 20, 64, 64 … row sums 6, 30, 150, 750, 3750, 18750, 93750, …
  (−∞, ∞) nonnegative rational roots
• A147716 → Pₙ + Pₙ₊₁
  15, 1 · 210, 29, 1 · 2940, 616, 43, 1 … row sums 16, 240, 3600, 54000, 810000, 12150000, …
  (−∞, ∞) nonnegative rational roots
• A094638 → Pₙ + Pₙ₊₁
  2, 1 · 2, 4, 2 · 2, 9, 13, 6 · 2, 16, 46, 56, 24 … row sums 3, 8, 30, 144, 840, 5760, 45360, …
  (−∞, ∞) nonnegative rational roots
• A257626 → Pₙ + Pₙ₊₁
  7, 6 · 42, 114, 36 · 252, 1512, 1440, 216 … row sums 13, 192, 3420, 71280, 1701000, …
  (−∞, ∞) nonnegative
• A059364 → x ↦ −x−1 (shift -1) → Pₙ + Pₙ₊₁
  2, -1 · 2, -4, 2 · 2, -9, 13, -6 … row sums 1, 0, 0, 0, 0, 0, 0, 0, …
  (−∞, ∞) rational roots
• A219512 → Pₙ + Pₙ₊₁
  2, 3 · 2, 15, 15 · 2, 45, 156, 105 … row sums 5, 32, 308, 3920, 61880, 1164800, …
  (−∞, ∞) nonnegative
• A257619 → Pₙ + Pₙ₊₁
  3, 2 · 6, 46, 4 · 12, 608, 568, 8 … row sums 5, 56, 1196, 36608, 1454024, 70928000, …
  (−∞, ∞) nonnegative
• A156992 → Pₙ + Pₙ₊₁
  3, 2 · 8, 14, 6 · 30, 84, 78, 24 … row sums 5, 28, 216, 2112, 24960, 345600, …
  (−∞, ∞) nonnegative rational roots
• A075499 → Pₙ + Pₙ₊₁
  80, 124, 25, 1 · 320, 1072, 424, 41, 1 … row sums 230, 1858, 17478, 186210, 2203174, …
  (−∞, ∞) nonnegative
• A142459 → Pₙ + Pₙ₊₁
  2, 1 · 2, 11, 1 · 2, 69, 60, 1 · 2, 367, 1121, 309, 1 … row sums 3, 14, 132, 1800, 31920, 695520, …
  (−∞, ∞) nonnegative
• A028246 → Pₙ + Pₙ₊₁
  2, 1 · 2, 4, 2 · 2, 10, 14, 6 · 2, 22, 62, 66, 24 … row sums 3, 8, 32, 176, 1232, 10448, 103952, …
  (−∞, ∞) nonnegative
• A257607 → Pₙ + Pₙ₊₁
  6, 5 · 30, 65, 25 · 150, 595, 560, 125 … row sums 11, 120, 1430, 18480, 257400, 3843840, …
  (−∞, ∞) nonnegative
• A356546 → Pₙ + Pₙ₊₁
  3, 2 · 8, 14, 6 · 26, 72, 66, 20 … row sums 5, 28, 184, 1280, 9184, 67200, 498432, …
  (−∞, ∞) nonnegative rational roots
• A038243 → Pₙ + Pₙ₊₁
  6, 1 · 30, 11, 1 · 150, 85, 16, 1 … row sums 7, 42, 252, 1512, 9072, 54432, 326592, …
  (−∞, ∞) nonnegative rational roots
• A334218 → Pₙ + Pₙ₊₁
  1, 2 · 0, 5, 3 · 0, 7, 19, 4 · 0, 9, 71, 59, 5 … row sums 3, 8, 30, 144, 840, 5760, 45360, …
  (−∞, ∞) nonnegative