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

Proth primes of the form 4•3n+1

From Prime-Wiki
Revision as of 06:56, 30 August 2024 by Gd barnes (talk | contribs) (Williams prime comment)
Jump to: navigation, search

Current data

k , b : 4 , 3
Count : 28
Nash : 1703
Max n : 1,500,000
Date : 2020-05-08
1, 2, 3, 6, 14, 15, 39, 201, 249, 885, 1005, 1254, 1635, 3306, 3522, 9602, 19785, 72698, 233583, 328689, 537918, 887535, 980925, 1154598, 1499606, 1936890, 2016951, 2143374
Remarks :
The sequence A005537 in OEIS
For all even n-values 4•3n+1 is a Generalized Fermat number.
See also Williams 4•3n+1

History