Riesel primes of the form 121•2ⁿ-1

Reserved! This sequence is currently part of Multi Reservation 23: Riesel problem 4.

Current data

`k` , `b` :	121 , 2
Type :	Low
Count :	35
Nash :	965
Max `n` :	1,100,000
Date :	2024-04-30
Reserved :	Alexander JonesAlexander Jones/Reserved

1, 3, 21, 27, 37, 43, 91, 117, 141, 163, 373, 421, 1581, 2035, 10701, 18931, 21307, 51195, 64579, 156541, 302097, 334257, 368059, 383061, 410131, 494317, 541621, 990219, 1039965, 1526097, 1589157, 1695499, 1954243, 2033941, 4553899

2012-02-25: Found n = 4553899, Timothy D. Winslow, PrimeGrid, (Official Announcement)
2007-12-02: Checked to n = 3016000, Justin Van Klein???
2006-01-28: Found n = 2033941, Szymon Banka
2006-01-20: Found n = 1954243, Szymon Banka
2005-09-06: Found n = 1695499, Rodger M. Ewing
2005-10-24: Found n = 1589157, Frank Clowes
2005-07-18: Found n = 1526097, Frank Clowes
2004-11-07: Found n = 1039965, Frank Clowes
2004-08-13: Found n = 990219, Dr. Michael E. Haas
2004-06-02: Found n = 541621, Frank Clowes
2004-06-02: Found n = 494317, Dr. Michael E. Haas
2004-07-21: Found n = 410131, Frank Clowes
2004-06-02: Found n = 383061, JF Boyer
2004-05-31: Found n = 368059, JF Boyer
2004-06-08: Found n = 334257, Rodger M. Ewing
2004-05-27: Found n = 302097, Rodger M. Ewing