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Williams primes of the form 20•21ⁿ+1

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Current data

Base :	21
Count :	21
Max n :	25,000
Date :	2018-03-17

1, 2, 3, 4, 12, 17, 38, 54, 56, 123, 165, 876, 1110, 1178, 2465, 3738, 7092, 8756, 15537, 19254, 24712

History

2018-03-17: Checked to n = 25000, Eric Chen
2016: Checked to n = 1000, Mauro Fiorentini

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Williams prime MP