Riesel primes of the form 13131•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 13131 , 2 Type : 3 Count : 59 Nash : 3495 Max n : 500,000 Date : 2022-02-22 Reserved : Alexander JonesAlexander Jones/Reserved

1, 5, 9, 11, 15, 18, 25, 45, 46, 50, 61, 63, 78, 79, 103, 134, 135, 163, 175, 203, 225, 230, 393, 401, 445, 591, 862, 901, 1075, 1585, 1681, 3838, 4171, 4231, 8065, 9146, 10503, 10509, 11259, 13486, 16569, 19351, 27090, 28699, 29491, 32353, 36343, 38301, 47799, 85618, 100031, 102374, 191039, 212338, 267935, 280590, 290625, 332573, 511111

History

• 2022-02-22: Checked to n = 500000, Alexander Jones
• 2022-02-19: Checked to n = 450000, Alexander Jones
• 2022-02-09: Checked to n = 400000, Alexander Jones
• 2022-02-07: Checked to n = 300000, Alexander Jones
• 2022-01-14: Checked to n = 250000, Alexander Jones
• 2021-11-17: Checked to n = 150000, Alexander Jones
• 2021-11-15: Checked to n = 100000, Alexander Jones
• 2021-10-30: Reserved by Alexander Jones
• 2021-08-16: Checked to n = 50000, Alexander Jones
• 2005-10-10: Found n = 511111, Michael Gillion
• 2011-11-23: Checked to n = 20000, Thomas Ritschel