Williams primes of the form 7•6n-1

Reserved! This sequence is currently reserved by: Riley Fisher

Current data

Base : 6 Count : 30 Max n : 250,000 Date : 2024-11-04 Reserved : Riley FisherRiley Fisher/Reserved

1, 2, 3, 13, 21, 28, 30, 32, 36, 48, 52, 76, 734, 2236, 2272, 3135, 3968, 6654, 7059, 22055, 26423, 31206, 35536, 37999, 45712, 49756, 167591, 231066, 259555, 277330

History

• 2024-11-04: Found n = 277330, Riley Fisher
• 2024-10-08: Found n = 259555, Riley Fisher
• 2024-08-01: Checked to n = 250000, Riley Fisher
• 2024-05-21: Found n = 231066, Riley Fisher
• 2024-03-12: Found n = 167591, Riley Fisher
• 2024-02-29: Checked to n = 100000, Riley Fisher
• 2024-02-29: Reserved by Riley Fisher
• 2018-03-26: Checked to n = 25000, Eric Chen
• 2016: Checked to n = 1000, Mauro Fiorentini