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Riesel primes of the form 3•2n-1

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Reserved! This sequence is currently reserved by: PrimeGrid

Current data

k , b : 3 , {{{Rb}}}
Count :
Attention! Parameter RCount=61 not given!
Nash : 2976
Max n : 14,700,000
Date : 2019-03-01
Reserved : PrimeGridPrimeGrid/Reserved
1[1], 2[2], 3[3], 4[4], 6[5], 7[6], 11, 18[7], 34, 38[8], 43, 55, 64, 76, 94, 103, 143, 206, 216, 306, 324, 391[9], 458, 470, 827, 1274, 3276, 4204, 5134, 7559, 12676, 14898, 18123, 18819, 25690, 26459, 41628, 51387, 71783, 80330, 85687, 88171, 97063, 123630, 155930, 164987, 234760, 414840, 584995, 702038, 727699, 992700, 1201046, 1232255, 2312734, 3136255, 4235414, 6090515, 11484018, 11731850, 11895718
Remarks :
LLR status at PrimeGrid

[[Category:Riesel {{{Rb}}}|#.....00003]]

Notes

  1. ↑ Sophie Germain n=1, Twin n=1
  2. ↑ Sophie Germain n=2, Twin n=2, Near Woodall: (2+1)*2^2-1
  3. ↑ Sophie Germain n=3, Woodall, Woodall 3•23-1
  4. ↑ Sophie Germain n=4, Near Woodall: (4-1)*2^4-1
  5. ↑ Sophie Germain n=6, Twin n=6, Near Woodall: (5+1)*2^5-1
  6. ↑ Sophie Germain n=7, Woodall, Woodall 6•26-1
  7. ↑ Twin n=18
  8. ↑ Gen. Woodall 12•812-1
  9. ↑ Woodall, Woodall 384•2384-1
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