Williams primes of the form 21•20n-1

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Current data

Base : 20
Count : 19
Max n : 25,000
Date : 2018-03-09
1, 10, 26, 30, 33, 73, 80, 120, 282, 331, 662, 859, 2976, 3106, 6645, 9674, 10459, 14062, 15751

History