| Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
| Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Generalized Cullen primes of the form n•9n+1
Current data
|
|
Remarks : |
The sequence A265013 in OEIS |
Notes
History
- 2023-05-28: Checked n = 100000 - 500000, Mark Rodenkirch, double-check n = 100000 - 222431, released
- 2023-04-28: Reserved by Mark Rodenkirch to n = 500000
- 2023-04-23: Checked n = 2 - 100000, Mark Rodenkirch, double-check
- 2010: Checked n = 8021 - 222431, Günter Löh
- 2002-01-28: Found n = 117852, Günter Löh
- 2000-02-03: Found n = 31330, Günter Löh
- 2000-01-31: Found n = 27608, Günter Löh
- 2000-01-26: Found n = 12382, Günter Löh
- 2000: Checked n = 4895 - 8021, Wilfrid Keller
- 1989: Checked n = 1 - 4895, Harvey Dubner
