Generalized Woodall primes of the form n•18n-1

Reserved! This sequence is currently reserved by: [[Ryan Propper 1 2 6 8 10 28 30 39 45 112 348 380 458 585 17559 38751;68348 43346 46984;74296 92711;86469]]

Current data

Base : 18 Count : 1 Max n : 400,000 Date : 2023-04-01 Reserved : [[Ryan Propper 1 2 6 8 10 28 30 39 45 112 348 380 458 585 17559 38751;68348 43346 46984;74296 92711;86469]][[Ryan Propper 1 2 6 8 10 28 30 39 45 112 348 380 458 585 17559 38751;68348 43346 46984;74296 92711;86469/Reserved]]

{{{WoNlist}}}

History

• 2014-03-13: Checked to n = 25000, Steven Harvey
• 2010-11-01: Checked to n = 4000, Steven Harvey
• 2009-01-31: Found n = 92711, Mark Rodenkirch
• 2005-04-27: Found n = 46984, Peter Benson
• 2008-12: Found n = 43346, Mark Rodenkirch
• 2004-01-16: Found n = 38751, Steven Harvey
• 17559: Found n = 2002-08, Steven Harvey