Williams primes of the form 10•11n-1

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Current data

Base : 11
Count : 13
Max n : 200,000
Date : 2015-01-19
1, 3, 37, 119, 255, 355, 371, 497, 1759, 34863, 50719, 147709, 263893
Remarks :
Unknown status for 200k ≤ n ≤ 263893.
The sequence A046867 in OEIS

History