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

Current data

ASCII format : n*17^n-1 Base : 17 Count : 8 Max n : 1,600,000 Date : 2023-08-10

2, 18, 20, 38, 68, 3122, 3488, 39500

Remarks :

The sequence A299380 in OEIS See early history at Generalized Woodall news, Generalized Woodall primes, & Generalized Woodall completed ranges.

History

• 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 n = 4000 - 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