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Proth primes of the form 8•3n+1
Current data
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Remarks : |
See also Williams 8•9n+1 The sequence A005538 in OEIS |
Notes
History
- 2020-08-08: Checked to n = 1250000, Paul Vanderveen
- 2020-07-08: Checked to n = 1200000, Paul Vanderveen
- 2020-06-08: Checked to n = 850000, Paul Vanderveen
- 2020-05-25: Checked to n = 50000, Karsten Bonath
- 2020-05-17: Found n = 1172480, Paul Vanderveen
- 2004-09-21: Found n = 130592, Peter Benson
- 1998-11-08: Found n = 18880, Chris Caldwell