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Williams primes of the form 6•7n+1

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Current data

Base : 7
Count : 12
Max n : 200,000
Date : 2014-11-14
1[1], 4, 9, 99, 412, 2633, 5093, 5632, 28233, 36780, 47084, 53572
Remarks :
The sequence A245241 in OEIS

Notes

  1. ↑ Twin n=1

History

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