Williams primes of the form 13•14n-1

Current data

Base : 14 Count : 14 Max n : 200,000 Date : 2024-10-12

1, 3, 5, 27, 35, 165, 209, 2351, 11277, 21807, 25453, 52443, 63069, 117693

Remarks :

The sequence A273523 in OEIS

History

• 2024-10-12: Checked n = 100000 - 200000, Richard Kapek
• 2024-09-25: Reserved by Richard Kapek for n = 100000 - 200000
• 2024-08-30: Checked n = 2 - 100000, Mark Rodenkirch, double-check n = 2 - 56140, released
• 2024-08-22: Reserved by Mark Rodenkirch for n = 2 - 100000
• ??: Checked n = 11277 - 56140, John Eisenmann
• 2018-03-27: Checked n = 1 - 25000, Eric Chen
• 2016-05-23: Checked n = 1 - 11277, John Eisenmann

External links

• John Eisenmann: "PRIME NUMBERS OF THE FORM A*14^B-1"