Generalized Cullen primes of the form n•16n+1

Current data

ASCII format : n*16^n+1 Base : 16 Count : 8 Max n : 1,000,000 Date : 2024-10-25

1, 3, 55, 81, 223, 1227, 3012, 3301

Remarks :

The sequence A242199 in OEIS

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2023-05-20: Checked n = 200000 - 1000000, Ryan Propper
• 2023-05-18: Reserved by Ryan Propper to n = 1000000
• 2023-04-27: Checked n = 100000 - 200000, Mark Rodenkirch, double-check n = 100000 - 125000, released
• 2023-04-17: Checked n = 2 - 100000, Mark Rodenkirch, double-check
• 2023-04-01: Reserved by Mark Rodenkirch to n = 200000
• 2014: Checked n = 75361 - 125000, Steven Harvey
• 2004: Checked n = 6006 - 75360, Günter Löh
• 2000: Checked n = 3444 - 6006, Wilfrid Keller
• 1989: Checked n = 1 - 3444, Harvey Dubner
• 1989: Found n = 3301, Harvey Dubner
• 1989: Found n = 3012, Harvey Dubner
• 1989: Found n = 1227, Harvey Dubner