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Generalized Cullen primes of the form n•40n+1
Current data
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History
- 2023-05-07: Checked n = 100001 - 200000, Mark Rodenkirch, released
- 2023-14-17: Checked n = 2 - 100000, Mark Rodenkirch, double-checked, continuing reservation
- 2023-04-01: Reserved by Mark Rodenkirch
- ?: Checked to n = 50675, (?)
- 2009-05-11: Found n = 88195, Lei Zhou
- 2009-04-09: Found n = 74844, Lei Zhou