Proth primes of the form 5•6n+1

Reserved! This sequence is currently reserved by: (Alex_soldier)

Current data

k , b : 5 , 6 Count : 29 Nash : 3529 Max n : 500,000 Date : 2023-04-26 Reserved : (Alex_soldier)(Alex_soldier)/Reserved

1, 2, 4, 17, 136, 147, 203, 590, 754, 964, 970, 1847, 2031, 2727, 2871, 5442, 7035, 7266, 11230, 23307, 27795, 34152, 42614, 127206, 133086, 231128, 235508, 413426, 880336

Remarks :

The sequence A247260 in OEIS See also Williams 5•6n+1

History

• 2023-04-26: Checked to n = 500000, (Alex_soldier), results included
• 2023-03-27: Found n = 413426, (Alex_soldier)
• 2023-03-20: Found n = 880336, (Alex_soldier)
• 2023-03-16: Checked to n = 400000, (Alex_soldier), results included
• 2023-03-11: Checked to n = 300000, (Alex_soldier), results included
• 2023-03-02: Found n = 235508, (Alex_soldier)
• 2023-03-01: Found n = 231128, (Alex_soldier)
• 2023-02-22: Checked to n = 200000, (Alex_soldier), double check, results included
• 2023-02-10: Reserved by (Alex_soldier) for 200000 ≤ n ≤ 1000000
• 2014-09-10: Checked to n = 200000, Robert Price