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Generalized Cullen primes of the form n•19n+1
Current data
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History
- 2023-05-20: Checked to n = 1000000, Ryan Propper, released
- 2023-05-18: Reserved by Ryan Propper to n=1000000
- 2023-04-23: Checked to n = 100000, Mark Rodenkirch, double-checked
- ?: Checked to n = 305777, (?)
- 1998: Found n = 6460, Wilfrid Keller