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Riesel primes of the form 321•2n-1

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Reserved! This sequence is currently part of Multi Reservation 26: NPLB Drive 19.

Current data

k , b : 321 , 2
Type : 3
Count : 63
Nash : 2615
Max n : 3,100,000
Date : 2024-08-15
Reserved : No Prime Left BehindNo Prime Left Behind/Reserved
1[1], 2, 5[2], 6, 14[3], 15, 21[4], 22, 25, 30[5], 31, 34, 37, 45, 81, 110, 126, 146, 166, 247, 341, 562, 590, 765, 1047, 1221, 1294, 2937, 4303, 6685, 8678, 10302, 14517, 18053, 20846, 21054, 21430, 31793, 35490, 41527, 41942, 50550, 139974, 141285, 162313, 171686, 172514, 248421, 278837, 332421, 374514, 410721, 514041, 628734, 650818, 666797, 682493, 942046, 1363671, 1371846, 2378535, 2496594, 2946654

Notes

  1. ↑ Sophie Germain n=1, Twin n=1
  2. ↑ Sophie Germain n=5, Twin n=5
  3. ↑ Sophie Germain n=14
  4. ↑ Sophie Germain n=21
  5. ↑ Sophie Germain n=30

History

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