Proth primes of the form 13•2ⁿ+1

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

Current data

`k` , `b` :	13 , {{{Pb}}}
Count :	26
Nash :	920
Max `n` :	1,000,000
Date :	2023-06-29
Reserved :	Alexander JonesAlexander Jones/Reserved

2, 8, 10, 20, 28, 82, 188, 308, 316, 1000, 28280, 38008^[1], 43856, 88018, 109258, 114296^[2], 521306, 562456^[3], 684560^[4], 1038896, 1499876^[5], 1861732^[6], 4998362, 5523860^[7], 6481780, 8989858

[[Category:Proth {{{Pb}}}|#.....00013]][[Category:Proth {{{Pb}}} Low-weight|#.....00013]]

↑ Divides: GF(10,38005)
↑ Divides: F(114293), GF(5,114292), GF(10,114293)
↑ Divides: GF(5,562454)
↑ Divides: GF(10,684557), GF(6,684559)
↑ Divides: GF(3,1499875)
↑ Divides: GF(6,1861731)
↑ Divides: F(5523858), GF(11,5523856)

2020-03-10: Found n = 8989858, Ryan Propper
2020-03-09: Found n = 6481780, Ryan Propper
2020-01-22: Found n = 5523860, James Scott Brown, Official announcement
2014-07-15: Found n = 4998362, Mark Rodenkirch
2005-11-14: Found n = 1861732, Peter Grobstich
2004-12-30: Found n = 1499876, Peter Grobstich
2004-01-21: Found n = 1038896, Peter Grobstich
2003-07-01: Found n = 684560, Peter Grobstich
2003-06-10: Found n = 562456, Peter Grobstich
2003-05-14: Found n = 521306, Peter Grobstich
1995-08: Found n = 114296, Jeffrey Young
1995-08: Found n = 109258, Jeffrey Young
1995-08: Found n = 88018, Jeffrey Young
1993-05: Found n = 43856, Jeffrey Young
1992: Found n = 38008, Harvey Dubner
1992-10: Found n = 28280, Harvey Dubner