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Williams primes of the form 267•268n-1
Reserved! This sequence is currently reserved by: Conjectures 'R Us |
Current data
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History
- 2019-08-03: Checked to n = 400000, Conjectures 'R Us
- 2013-11-12: Checked to n = 200000, Steven Harvey
- 2011-08-09: Checked to n = 100000, Steven Harvey
- ?: Checked to n = 512, Steven Harvey