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Generalized Cullen primes of the form n•7n+1

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Current data

ASCII format : n*7^n+1
Base : 7
Count : 4
Max n : 2,000,000
Date : 2023-07-14
34, 1980, 9898[1], 474280
Remarks :
The sequence A242177 in OEIS
See additional history at Generalized Cullen primes & Discoverers of Generalized Cullen primes.

Notes

History