Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).
Navigation
Topics Help • Register • News • History • How to • Sequences statistics • Template prototypes

Williams primes of the form 20•21n-1

From Prime-Wiki
Jump to: navigation, search

Current data

Base : 21
Count : 13
Max n : 25,000
Date : 2018-03-17
1, 2, 7, 24, 31, 60, 230, 307, 750, 1131, 1665, 1827, 8673

History