Generalized Cullen primes of the form n•78n+1

Reserved! This sequence is currently reserved by: Mark Rodenkirch

Current data

ASCII format : n*78^n+1 Base : 78 Count : 5 Max n : 100,000 Date : 2023-05-28 Reserved : Mark RodenkirchMark Rodenkirch/Reserved

1, 25, 105, 254, 10671

History

• 2023-05-28: Reserved by Mark Rodenkirch to n=200000
• 2023-05-10: Checked n = 1 - 100000, Mark Rodenkirch, double-checked and released
• ?: Checked to n = 58516, (?)
• 2000-12-10: Found n = 10671, Günter Löh