Riesel primes of the form 61•2ⁿ-1

Reserved! This sequence is currently part of Multi Reservation 4: RPS Megabit Drive 1.

Current data

`k` , `b` :	61 , 2
Count :	55
Nash :	2170
Max `n` :	3,100,000
Date :	2020-11-12
Reserved :	Riesel Prime SearchRiesel Prime Search/Reserved

3, 5, 9, 13, 17, 19, 25, 39, 63, 67, 75, 119, 147, 225, 419, 715, 895, 1025, 1103, 1179, 1345, 1829, 3855, 4159, 4493, 6039, 7799, 9073, 10543, 12883, 23807, 23957, 36163, 44047, 51975, 65573, 79393, 79949, 81987, 86349, 384287, 499175, 762417, 971585, 1124049, 1416365, 1487125, 1654383, 1734983, 2134577, 2381887, 2580689, 2936967, 3286535, 3366033

2021-03-21: Checked n = 1 - 1000000, Gary Barnes, double check, results included
2018-04-11: Checked to n = 3000000, RPS 1st Megabit Drive
2017-01-30: Found n = 2936967, Thomas Ritschel
2017-01-30: Found n = 3366033, Rüdiger K. Eckhard
2016-06-22: Found n = 3286535, Rüdiger K. Eckhard
2015-11-08: Found n = 2580689, Thomas Ritschel
2012-07-23: Found n = 2381887, Adam Sutton
2011-11-19: Found n = 2134577, Larry Soule
2011-05-11: Found n = 1734983, Larry Soule
2011-03-02: Found n = 1487125, Peter Benson
2011-02-13: Found n = 1416365, Larry Soule
2010-11-15: Found n = 1124049, Peter Benson
2009-07-30: Reserved by Borys Jaworski from n=1700000
2008-07-24: Found n = 1654383, Peter Benson
2008-07-07: Checked to n = 1000000, Gary Barnes released
2008-02-17: Found n = 762417, Gary Barnes
2008-02-07: Found n = 971585, Peter Benson
2008-02-01: Checked to n = 705000, Gary Barnes
2008-01-10: Checked to n = 600000, Gary Barnes
2008-01-03: Checked n = 400000 - 500000, Gary Barnes
2007-12-30: Checked to n = 800000, Jeffrey Sax
2007-12-10: Found n = 499175, Jeffrey Sax
2004-12-19: Found n = 384287, Predrag Minovic
1994: Found n = 7799, Harvey Dubner