Williams primes of the form 5•6n+1

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Current data

Base : 6
Count : 25
Max n : 200,000
Date : 2014-09-10
1, 2, 4, 17, 136, 147, 203, 590, 754, 964, 970, 1847, 2031, 2727, 2871, 5442, 7035, 7266, 11230, 23307, 27795, 34152, 42614, 127206, 133086
Remarks :
The sequence A247260 in OEIS

History