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Riesel primes of the form 20491•2n-1

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Current data

k , b : 20491 , 2
Count : 21
Nash : 1741
Max n : 50,000
Date : 2022-06-08
3, 9, 19, 25, 39, 69, 111, 127, 163, 291, 793, 801, 1905, 2025, 2823, 5463, 7629, 7701, 9691, 9825, 29343

History