Generalized Woodall primes of the form `n`•17ⁿ-1

Current data

2, 18, 20, 38, 68^[1], 3122, 3488, 39500

Remarks :

The sequence A299380 in OEIS

2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
2023-08-10: none, Ryan Propper, released
2023-04-29: Checked n = 1000000 - 1600000, Ryan Propper
2023-04-19: Reserved by Ryan Propper to n = 1600000
2023-04-10: Checked n = 400000 - 1000000, Ryan Propper
2023-04-01: Reserved by Ryan Propper to n = 1000000
2015-11-13: Checked n = 250000 - 400000, Steven Harvey
2015-09-15: Reserved by Steven Harvey to n = 400000
2014-03-13: Checked to n = 25000, Steven Harvey, double-check
2012-10-10: Checked to n = 25000, Thomas Ritschel
2011-05-24: Checked n = 200000 - 250000, Steven Harvey
2011-03-06: Reserved by Steven Harvey to n = 250000
2010-11-01: Checked n = 16 - 4000, Steven Harvey, double-check
2009-03-13: Checked n = 40000 - 200000, Mark Rodenkirch
2008-12-10: Reserved by Mark Rodenkirch to n = 100000
2005-01-03: Checked n = 5000 - 10000, Mark Rodenkirch
2004-12-21: Reserved by Mark Rodenkirch to n = 10000
2004-12-21: Checked n = 16 - 5000, Mark Rodenkirch
2004-12-15: Reserved by Mark Rodenkirch to n = 6000
2004-12-03: Reserved by Mark Rodenkirch to n = 5000
2004-01-12: Found n = 39500, Steven Harvey
2000-02-02: Found n = 3488, Joe DeMaio
2000-02-02: Found n = 3122, Joe DeMaio