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Prime Generating Formula

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  • miltbrown@earthlink.net
    Professor Caldwell: This did not seem to make it to the list. I am not sure why. It is On-Line Encyclopedia of Integer Squences A147666 and A147765.
    Message 1 of 1 , Nov 11, 2008
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      Professor Caldwell:

      This did not seem to make it to the list. I am not sure why.
      It is On-Line Encyclopedia of Integer Squences A147666
      and A147765.

      11,0,13,17,0,19,23,0,0,29,0,31,0,0,37,41,0,43,47,0,0,53,0,0,59,0,61,0,
      0,67,71,0,73,0,0,79,83,0,0,89,0,0,0,0,97,101,0,103,107,0,109,113,0,0,0,
      0,121,123

      R=6*int[((n mod 3)+2)/3]*int[(n+2)/3]+int[(n mod 3)*exp(n mod 3-1)];
      R*(1-int((5 - (R mod 5))/5)*(1-int((7 - (7 mod 7))/7)
      List prime numbers or 0 between 11 and 113,
      corresponds to 6k+1 and 6k+5 without multiples of 5 and 7.

      Thanks,

      Milton L. Brown
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