Generalized Cullen primes of the form n•12n+1

Current data

ASCII format : n*12^n+1 Base : 12 Count : 8 Max n : 256,588 Date : 2024-10-25

1, 8, 247, 3610, 4775, 19789, 187895, 345951

Remarks :

The sequence A242196 in OEIS

History

• 2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
• 2024-10-09: Reservation dropped, Yao Chen
• 2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
• 2022-02-12: Found n = 345951, Yao Chen
• 2020-11-18: Reserved by Yao Chen
• 2012: Checked n = 9410 - 256588, Günter Löh
• 2010-11-29: Found n = 187895, Günter Löh
• 2000-06-03: Found n = 19789, Günter Löh
• 2000: Checked n = 3260 - 9410, Wilfrid Keller
• 2000-02: Found n = 4775, Wilfrid Keller
• 2000-02: Found n = 3610, Wilfrid Keller
• 1989: Checked n = 1 - 3260, Harvey Dubner