Williams primes of the form 5•6n-1

Current data

Base : 6 Count : 29 Max n : 1,000,000 Date : 2023-11-21

1, 2, 6, 7, 11, 23, 33, 48, 68, 79, 116, 151, 205, 1016, 1332, 1448, 3481, 3566, 3665, 11233, 13363, 29166, 44358, 58530, 191706, 386450, 605168, 616879, 1204077

Remarks :

The sequence A079906 in OEIS

History

• 2023-11-21: Found n = 1204077, Ryan Propper
• 2020-12-14: Checked to n = 1000000, Karsten Bonath, released
• 2019-11-03: Found n = 616879, Karsten Bonath
• 2019-10-28: Found n = 605168, Karsten Bonath
• 2019-07-01: Checked to n = 400000, Karsten Bonath
• 2016-01-23: Found n = 191706, Robert Price
• 2008-11-26: Found n = 11233 - 58530, Donovan Johnson
• 2003: Found n = 3665, Robert G. Wilson