Proth primes of the form 19•2n+1

Reserved! This sequence is currently part of Multi Reservation 20: Riesel problem 3.

Current data

k , b : 19 , {{{Pb}}} Count : 21 Nash : 828 Max n : 1,000,000 Date : 2023-06-29 Reserved : Alexander JonesAlexander Jones/Reserved

6, 10, 46, 366, 1246, 2038, 4386, 4438, 6838, 7498, 7998, 9450, 11890, 17034, 23290, 73338, 149146, 323638, 853546, 2206266, 6833086

Remarks :

PrimeGrid is searching 3.64M ≤ n ≤ 9M

[[Category:Proth {{{Pb}}}|#.....00019]][[Category:Proth {{{Pb}}} Low-weight|#.....00019]]

History

• 2020-10-25: Found n = 6833086, Jiri Jaros, PrimeGrid