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Generalized Cullen primes of the form n•193n+1
Current data
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History
- 2011: Checked n = 85000 - 200000, Daniel Hermle
- ?: Checked n = 75000 - 85000, Thierry Gaillard
- ?: Checked n = 70000 - 75000, Predrag Minovic
- 2008-09: Checked n = 40000 - 70000, Daniel Hermle
- 2005: Checked n = 20000 - 40000, Predrag Minovic
- 2005: Checked n = 1 - 20000, Daniel Hermle