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Riesel primes of the form 21•2n-1

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Current data

k , b : 21 , {{{Rb}}}
Count :
Attention! Parameter RCount=43 not given!
Nash : 2103
Max n : 2,500,000
Date : 2013-09-08
1[1], 2[2], 3, 7[3], 10, 13, 18, 27, 37, 51, 74, 157, 271, 458, 530, 891, 1723, 1793, 1849, 1986, 2191, 2869, 4993, 7777, 11730, 15313, 29171, 35899, 36227, 71570, 199219, 233914, 297499, 332523, 348547, 538657, 986130, 999599, 1170083, 1182083, 1452771, 1872923, 2160479

[[Category:Riesel {{{Rb}}}|#.....00021]]

Notes

  1. ↑ Sophie Germain n=1, Twin n=1
  2. ↑ Sophie Germain n=2
  3. ↑ Twin n=7
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