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Williams primes of the form 4•5n-1

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Revision as of 09:03, 1 October 2024 by Gd barnes (talk | contribs) (add history & 5 primes)
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Current data

Base : 5
Count : 25
Max n : 1,000,000
Date : 2024-08-30
1, 3, 9, 13, 15, 25, 39, 69, 165, 171, 209, 339, 2033, 6583, 15393, 282989, 498483, 504221, 754611, 864751, 1132659, 1292915, 1330541, 3189669, 6181673
Remarks :
The sequence A046865 in OEIS
See Thread at MersenneForum

History