Generalized Woodall primes of the form n•140n-1

Current data

Base : 140 Count : 14 Max n : 200,000 Date : ?

1, 2, 7, 73, 74, 99, 272, 339, 738, 8328, 9152, 10436, 81117, 93906

History

• 2014-03-13: Checked to n = 25000, Steven Harvey
• 2011-07-25: Found n = 93906, David Broadhurst
• 2011-07-24: Found n = 81117, David Broadhurst
• 2010-11-01: Checked to n = 4000, Steven Harvey
• 2005-02: Found n = 10436, Steven Harvey
• 2005-01: Found n = 9152, Mark Rodenkirch
• 2005-01: Found n = 8328, Mark Rodenkirch
• ?: Found n = 738, Andrew Walker