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Generalized Cullen primes of the form `n`•12ⁿ+1

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Reserved! This sequence is currently reserved by: Yao Chen

Current data

Base :	12
Count :	8
Max `n` :	254,519
Date :	2023-04-23
Reserved :	Yao ChenYao Chen/Reserved

1, 8^[1], 247, 3610, 4775, 19789, 187895, 345951

Remarks :

The sequence A242196 in OEIS

Notes

↑ Proth 6561•2¹⁹+1

History

2023-04-23: Checked n = 2-100000, Mark Rodenkirch, double-checked
2022-02-12: Found n = 345951, Yao Chen
2020-11-18: Reserved by Yao Chen
?: Checked to n = 254519, (?)
2010-11-29: Found n = 187895, Günter Löh
2000-06-03: Found n = 19789, Günter Löh
2000: Found n = 4775, Wilfrid Keller
2000: Found n = 3610, Wilfrid Keller

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