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Generalized Cullen primes of the form `n`•17ⁿ+1

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Current data

ASCII format :	n*17^n+1
Base :	17
Count :	3
Max `n` :	1,000,000
Date :	2023-05-20

19650, 236418, 811138

History

2023-05-20: Checked to n = 1000000, Ryan Propper
2023-05-20: Found n = 811138, Ryan Propper
2023-05-18: Reserved by Ryan Propper to n = 1000000
2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
2014: Checked n = 15207 - 304241, Günter Löh
2012-12-10: Found n = 236418, Günter Löh
2000-01-08: Found n = 19650, Günter Löh
2000: Checked n = 3195 - 15207, Wilfrid Keller
1989: Checked n = 1 - 3195, Harvey Dubner

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Cullen prime