Williams primes of the form 9•8n-1

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Current data

Base : 8
Count : 20
Max n : 1,666,666
Date : 2013-01-07
1, 5, 7, 21, 33, 53, 103, 313, 517, 1863, 2669, 3849, 4165, 27805, 34353, 91953, 128081, 336759, 473285, 1561185
Remarks :
!!!DO NOT RESERVE!!! This list is a reuse of Riesel prime 9.