obreschkoff_combination

Obreschkoff combination Pₙ + Pₙ₊₁. All operations

216 sequences

• A038326 → Pₙ + Pₙ₊₁
  12, 12 · 132, 276, 144 · 1452, 4620, 4896, 1728 … row sums 24, 552, 12696, 292008, 6716184, …
  (−∞, ∞) nonnegative rational roots
• A144699 → Pₙ + Pₙ₊₁
  2, 5 · 2, 21, 25 · 2, 55, 196, 125 … row sums 7, 48, 378, 3360, 33264, 362880, …
  (−∞, ∞) nonnegative
• A290316 → Pₙ + Pₙ₊₁
  2, 6 · 2, 54, 90 · 2, 282, 2304, 2160 … row sums 8, 146, 4748, 218906, 13035296, …
  (−∞, ∞) nonnegative
• A039756 → Pₙ + Pₙ₊₁
  2, 1 · 2, 5, 1 · 2, 13, 14, 1 · 2, 25, 71, 41, 1 … row sums 3, 8, 30, 140, 764, 4736, 32728, …
  (−∞, ∞) nonnegative
• A028338 → x ↦ −2x+3 → Pₙ + Pₙ₊₁
  -1, 1 · 4, -4, 1 · -18, 21, -8, 1 … row sums 0, 1, -4, 18, -96, 600, -4320, 35280, …
  (−∞, ∞) rational roots
• A028338 → x ↦ −2x+9 → Pₙ + Pₙ₊₁
  -4, 1 · 25, -10, 1 · -180, 96, -17, 1 … row sums -3, 16, -100, 720, -5880, 53760, …
  (−∞, ∞) rational roots
• A144084 → Pₙ + Pₙ₊₁
  2, 1 · 2, 5, 2 · 2, 13, 20, 6 · 2, 25, 90, 102, 24 … row sums 3, 9, 41, 243, 1755, 14873, 144249, …
  (−∞, ∞) nonnegative
• A142461 → Pₙ + Pₙ₊₁
  2, 1 · 2, 15, 1 · 2, 125, 112, 1 … row sums 3, 18, 240, 4704, 120960, 3843840, …
  (−∞, ∞) nonnegative
• A257627 → Pₙ + Pₙ₊₁
  4, 3 · 12, 63, 9 · 36, 813, 762, 27 … row sums 7, 84, 1638, 43680, 1474200, 60147360, …
  (−∞, ∞) nonnegative
• A038330 → Pₙ + Pₙ₊₁
  1872, 1824, 592, 64 · 22464, 29376, 14400, 3136, 256 … row sums 4352, 69632, 1114112, 17825792, …
  (−∞, ∞) nonnegative rational roots
• A173018 → Pₙ + Pₙ₊₁
  2 · 2, 1 · 2, 5, 1 · 2, 15, 12, 1 … row sums 2, 3, 8, 30, 144, 840, 5760, 45360, …
  (−∞, ∞) nonnegative
• A142460 → Pₙ + Pₙ₊₁
  2, 1 · 2, 13, 1 · 2, 95, 84, 1 · 2, 597, 1909, 515, 1 … row sums 3, 16, 182, 3024, 65688, 1759296, …
  (−∞, ∞) nonnegative
• A106800 → Pₙ + Pₙ₊₁
  2 · 2, 1 · 2, 4, 1 · 2, 9, 8, 1 … row sums 2, 3, 7, 20, 67, 255, 1080, 5017, …
  (−∞, ∞) nonnegative
• A027467 → Pₙ + Pₙ₊₁
  16, 1 · 240, 31, 1 · 3600, 705, 46, 1 … row sums 17, 272, 4352, 69632, 1114112, …
  (−∞, ∞) nonnegative rational roots
• A062196 → Pₙ + Pₙ₊₁
  2, 3 · 2, 11, 6 · 2, 23, 36, 10 · 2, 39, 120, 90, 15 … row sums 5, 19, 71, 266, 1002, 3795, 14443, …
  (−∞, ∞) nonnegative
• A257611 → Pₙ + Pₙ₊₁
  4, 3 · 12, 33, 9 · 36, 243, 222, 27 … row sums 7, 54, 528, 6240, 86400, 1370880, …
  (−∞, ∞) nonnegative
• A038323 → Pₙ + Pₙ₊₁
  12, 9 · 132, 207, 81 · 1452, 3465, 2754, 729 … row sums 21, 420, 8400, 168000, 3360000, …
  (−∞, ∞) nonnegative rational roots
• A166340 → Pₙ + Pₙ₊₁
  2, 27, 20, 1 · 2, 61, 133, 43, 1 … row sums 50, 240, 1400, 9600, 75600, 672000, …
  (−∞, ∞) nonnegative
• A028338 → x ↦ −2x−1 (shift -1) → Pₙ + Pₙ₊₁
  1, 1 · 0, 0, 1 · 0, 1, -2, 1 · 0, -4, 8, -5, 1 … row sums 2, 1, 0, 0, 0, 0, 0, 0, …
  (−∞, ∞) rational roots
• A008955 → Pₙ + Pₙ₊₁
  2, 1 · 2, 6, 4 · 2, 19, 53, 36 · 2, 44, 322, 856, 576 … row sums 3, 12, 110, 1800, 45900, 1679600, …
  (−∞, ∞) nonnegative rational roots
• A008292 → Pₙ + Pₙ₊₁
  2, 1 · 2, 5, 1 · 2, 15, 12, 1 · 2, 37, 77, 27, 1 … row sums 3, 8, 30, 144, 840, 5760, 45360, …
  (−∞, ∞) nonnegative
• A038281 → Pₙ + Pₙ₊₁
  576, 624, 225, 27 · 4608, 6720, 3672, 891, 81 … row sums 1452, 15972, 175692, 1932612, 21258732, …
  (−∞, ∞) nonnegative rational roots
• A038226 → Pₙ + Pₙ₊₁
  36, 264, 640, 512 · 108, 1080, 4032, 6656, 4096 … row sums 1452, 15972, 175692, 1932612, 21258732, …
  (−∞, ∞) nonnegative rational roots
• type_b_eulerian → Pₙ + Pₙ₊₁
  2, 1 · 2, 7, 1 · 2, 29, 24, 1 · 2, 99, 253, 77, 1 … row sums 3, 10, 56, 432, 4224, 49920, 691200, …
  (−∞, ∞) nonnegative
• A131689 → Pₙ + Pₙ₊₁
  1, 1 · 0, 2, 2 · 0, 2, 8, 6 · 0, 2, 20, 42, 24 … row sums 2, 4, 16, 88, 616, 5224, 51976, 593128, …
  (−∞, ∞) nonnegative
• A013620 → Pₙ + Pₙ₊₁
  3, 3 · 6, 15, 9 · 12, 48, 63, 27 … row sums 6, 30, 150, 750, 3750, 18750, 93750, …
  (−∞, ∞) nonnegative rational roots
• A028338 → x ↦ −x+1 → Pₙ + Pₙ₊₁
  -1, 1 · 6, -5, 1 · -40, 38, -11, 1 … row sums 0, 2, -12, 90, -840, 9450, -124740, …
  (−∞, ∞) rational roots
• A375853 → Pₙ + Pₙ₊₁
  10, 8 · 28, 64, 20 · 60, 272, 236, 40 … row sums 18, 112, 608, 3072, 14848, 69632, …
  (−∞, ∞) nonnegative
• A038331 → Pₙ + Pₙ₊₁
  1872, 2280, 925, 125 · 22464, 36720, 22500, 6125, 625 … row sums 5202, 88434, 1503378, 25557426, …
  (−∞, ∞) nonnegative rational roots
• A038319 → Pₙ + Pₙ₊₁
  1452, 1925, 850, 125 · 15972, 28435, 18975, 5625, 625 … row sums 4352, 69632, 1114112, 17825792, …
  (−∞, ∞) nonnegative rational roots
• A038329 → Pₙ + Pₙ₊₁
  1872, 1368, 333, 27 · 22464, 22032, 8100, 1323, 81 … row sums 3600, 54000, 810000, 12150000, …
  (−∞, ∞) nonnegative rational roots
• A085881 → Pₙ + Pₙ₊₁
  2, 1 · 4, 7, 3 · 18, 51, 48, 15 … row sums 3, 14, 132, 1800, 31920, 695520, …
  (−∞, ∞) nonnegative rational roots
• A023531 → basis A341287 → Pₙ + Pₙ₊₁
  1, 1 · -1, 2, 1 · -2, -1, 4, 1 · 1, -11, 4, 7, 1 … row sums 2, 2, 2, 2, 2, 2, 2, 2, …
  (−∞, ∞)
• A035469 → Pₙ + Pₙ₊₁
  5, 1 · 32, 13, 1 · 308, 172, 25, 1 … row sums 6, 46, 506, 7186, 124662, 2551086, …
  (−∞, ∞) nonnegative
• A144698 → Pₙ + Pₙ₊₁
  2, 4 · 2, 17, 16 · 2, 45, 129, 64 … row sums 6, 35, 240, 1890, 16800, 166320, …
  (−∞, ∞) nonnegative
• A256890 → Pₙ + Pₙ₊₁
  12, 64, 56, 8 · 24, 248, 468, 204, 16 … row sums 140, 960, 7560, 67200, 665280, 7257600, …
  (−∞, ∞) nonnegative
• A111577 → Pₙ + Pₙ₊₁
  2, 1 · 2, 6, 1 · 2, 26, 13, 1 · 2, 106, 117, 23, 1 … row sums 3, 9, 42, 249, 1737, 13872, 124401, …
  (−∞, ∞) nonnegative
• A038271 → Pₙ + Pₙ₊₁
  8, 5 · 56, 75, 25 · 392, 805, 550, 125 … row sums 13, 156, 1872, 22464, 269568, 3234816, …
  (−∞, ∞) nonnegative rational roots
• A038314 → Pₙ + Pₙ₊₁
  1100, 3840, 4464, 1728 … row sums 11132, 244904, 5387888, 118533536, …
  (−∞, ∞) nonnegative rational roots
• A028326 → Pₙ + Pₙ₊₁
  4, 2 · 4, 6, 2 · 4, 10, 8, 2 · 4, 14, 18, 10, 2 … row sums 6, 12, 24, 48, 96, 192, 384, 768, …
  (−∞, ∞) nonnegative rational roots
• A196347 → Pₙ + Pₙ₊₁
  2, 1 · 3, 5, 2 · 8, 22, 20, 6 · 30, 114, 162, 102, 24 … row sums 3, 10, 56, 432, 4224, 49920, 691200, …
  (−∞, ∞) nonnegative rational roots
• A225470 → Pₙ + Pₙ₊₁
  3, 1 · 12, 8, 1 · 90, 73, 16, 1 … row sums 4, 21, 180, 2106, 31104, 554040, …
  (−∞, ∞) nonnegative rational roots
• A142462 → Pₙ + Pₙ₊₁
  2, 1 · 2, 17, 1 · 2, 159, 144, 1 … row sums 3, 20, 306, 6912, 205344, 7551360, …
  (−∞, ∞) nonnegative
• A038207 → Pₙ + Pₙ₊₁
  3, 1 · 6, 5, 1 · 12, 16, 7, 1 · 24, 44, 30, 9, 1 … row sums 4, 12, 36, 108, 324, 972, 2916, 8748, …
  (−∞, ∞) nonnegative rational roots
• A049029 → Pₙ + Pₙ₊₁
  6, 1 · 50, 16, 1 · 630, 270, 31, 1 … row sums 7, 67, 932, 16867, 374887, 9868532, …
  (−∞, ∞) nonnegative
• A038303 → Pₙ + Pₙ₊₁
  11, 1 · 110, 21, 1 · 1100, 320, 31, 1 … row sums 12, 132, 1452, 15972, 175692, 1932612, …
  (−∞, ∞) nonnegative rational roots
• A257617 → Pₙ + Pₙ₊₁
  3, 2 · 6, 38, 4 · 12, 424, 392, 8 … row sums 5, 48, 836, 20592, 653400, 25344000, …
  (−∞, ∞) nonnegative
• A130534 → Pₙ + Pₙ₊₁
  2, 1 · 3, 4, 1 · 8, 14, 7, 1 · 30, 61, 41, 11, 1 … row sums 3, 8, 30, 144, 840, 5760, 45360, …
  (−∞, ∞) nonnegative rational roots
• A136124 → Pₙ + Pₙ₊₁
  3, 1 · 8, 6, 1 · 30, 31, 10, 1 · 144, 180, 80, 15, 1 … row sums 4, 15, 72, 420, 2880, 22680, 201600, …
  (−∞, ∞) nonnegative rational roots
• A163626 → Pₙ + Pₙ₊₁
  2, -1 · 2, -4, 2 · 2, -10, 14, -6 … row sums 1, 0, 0, 0, 0, 0, 0, 0, …
  (−∞, ∞)