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Generalized Cullen primes of the form n•20n+1
Current data
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Remarks : |
The sequence A338412 in OEIS |
History
- 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 2023-05-20: Checked to n = 1000000, Ryan Propper
- 2023-05-20: Found n = 993149, Ryan Propper
- 2023-05-20: Found n = 793181, Ryan Propper
- 2023-05-20: Found n = 364595, Ryan Propper
- 2023-05-20: Found n = 329994, Ryan Propper
- 2023-05-18: Reserved by Ryan Propper to n = 1000000
- 2023-04-25: Checked n = 2 - 100000, Mark Rodenkirch, double-check
- 2014: Checked n = 5870 - 244973, Günter Löh
- 2011-12-21: Found n = 151456, Günter Löh
- 2000-06-04: Found n = 22356, Günter Löh
- 2000-02-07: Found n = 8076, Günter Löh
- 2000-01-31: Found n = 6207, Günter Löh
- 2000: Checked n = 1 - 5870, Wilfrid Keller
