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Generalized Cullen primes of the form n•11n+1
Current data
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History
- 2024-11-14: Reservation dropped, Oliver Kruse
- 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
- 2023-05-12: none, Oliver Kruse still sieving
- 2023-04-01: Reservation dropped, Ryan Propper
- 2023-04-01: Reserved by Ryan Propper to n = 1000000
- 2023-03-28: none, Oliver Kruse still sieving n = 500000 - 2500000
- 2023-03-15: Reserved by Oliver Kruse sieving from n = 500000
- 2023-03-15: Checked n = 500 - 100000, Oliver Kruse
- 2014: Checked n = 214216 - 600000, Serge Batalov
- 2011: Checked n = 7829 - 214215, Günter Löh
- 2000: Checked n = 3899 - 7829, Wilfrid Keller
- 1989: Checked n = 1 - 3899, Harvey Dubner
