Generalized Cullen primes of the form `n`•6ⁿ+1

Reserved! This sequence is currently reserved by: Ryan Propper

Current data

ASCII format :	n*6^n+1
Base :	6
Count :	20
Max `n` :	2,000,000
Date :	2024-10-25
Reserved :	Ryan PropperRyan Propper/Reserved

1^[1], 2^[2], 91, 185, 387, 488, 747, 800, 9901, 10115, 12043, 13118, 30981, 51496, 515516, 1644731, 2240501, 4392300^[3], 4450871, 4582770^[4]

Remarks :

The sequence A242176 in OEIS

2024-10-25: Checked n = 1 - 100000, Gary Barnes, double-check, released
2024-10-17: Reserved by Ryan Propper to n = 10000000
2023-12-11: Found n = 4582770, Ryan Propper
2023-09-17: Found n = 4450871, Ryan Propper
2023-09-09: Found n = 4392300, Ryan Propper
2023-07-17: Found n = 2240501, Ryan Propper
2023-07-17: Reserved by Ryan Propper
2023-07-14: Checked n = 500000 - 2000000, Ryan Propper, released
2023-07-06: Found n = 1644731, Ryan Propper
2023-07-05: Found n = 515516, Ryan Propper
2023-07-04: Reserved by Ryan Propper for n = 500000 - 2000000
2023-05-28: Checked n = 100000 - 500000, Mark Rodenkirch, double-check n = 100000 - 200000, released
2023-04-28: Reserved by Mark Rodenkirch to n = 500000
2023-04-24: Checked n = 2 - 100000, Mark Rodenkirch, double-check
2011: Checked n = 123670 - 200000, Geoffrey Reynolds
2011: Checked n = 18549 - 123669, Günter Löh
2000-06-15: Found n = 51496, Günter Löh
2000-01-08: Found n = 30981, Günter Löh
2000: Checked n = 4509 - 18549, Wilfrid Keller
1998-11-20: Found n = 13118, Wilfrid Keller
1998-11-20: Found n = 12043, Wilfrid Keller
1998-11-19: Found n = 10115, Wilfrid Keller
1998-11-19: Found n = 9901, Wilfrid Keller
1989: Checked n = 1 - 4509, Harvey Dubner