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Generalized Cullen primes of the form `n`•30ⁿ+1

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Current data

Base :	30
Count :	22
Max `n` :	200,000
Date :	2023-04-27

1, 2, 3, 7, 14, 17, 39, 79, 87, 99, 128, 169, 221, 252, 307, 3646, 6115, 19617, 49718, 107263, 152520, 154164

History

2023-04-27: Checked n = 100001-200000, Mark Rodenkirch, released
2023-04-26: Found n = 154164, Mark Rodenkirch
2023-04-26: Found n = 152520, Mark Rodenkirch
2023-04-21: Found n = 107263, Mark Rodenkirch
2023-04-17: Checked n = 2-100000, Mark Rodenkirch, double-checked
2023-04-01: Reserved by Mark Rodenkirch
?: Checked to n = 101757, (?)
2001-12-22: Found n = 49718, Günter Löh
2000-04-12: Found n = 19617, Ray Ballinger

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Cullen prime