Williams primes of the form 23•22n-1

Reserved! This sequence is currently reserved by: Richard Kapek

Current data

Base : 22 Count : 16 Max n : 100,000 Date : 2024-10-19 Reserved : Richard KapekRichard Kapek/Reserved

2, 18, 252, 1303, 2475, 4096, 6567, 9758, 9924, 11052, 11374, 28027, 35184, 58627, 81822, 83767

History

• 2024-10-19: Reserved by Richard Kapek for n = 100000 - 200000
• 2024-09-10: Checked n = 2 - 100000, Mark Rodenkirch, double-check n = 2 - 25000, released
• 2024-08-19: Reserved by Mark Rodenkirch for n = 2 - 100000
• 2018-03-17: Checked n = 1 - 25000, Eric Chen
• 2016: Checked n = 1 - 1000, Mauro Fiorentini