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 Cruelty 2018-05-03 17:51

status report

k=2 and k=4 @ base=3 tested till n=1.72M
127*128^n-1 tested till n=1.8M

 Cruelty 2018-09-02 00:35

status report

k=2 and k=4 @ base=3 tested till n=1.76M
127*128^n-1 tested till n=1.86M

 Cruelty 2018-11-01 12:37

status report

k=2 and k=4 @ base=3 tested till n=1.78M
127*128^n-1 tested till n=1.88M

 Cruelty 2018-11-30 23:31

status report

k=2 and k=4 @ base=3 tested till n=1.8M
127*128^n-1 tested till n=1.88M

 Cruelty 2019-01-01 15:39

status report

k=2 and k=4 @ base=3 tested till n=1.81M
127*128^n-1 tested till n=1.93M

 Cruelty 2019-03-01 19:15

status report

k=2 and k=4 @ base=3 tested till n=1.84M
127*128^n-1 tested till n=1.95M

 kar_bon 2019-04-14 17:28

Made pages for [url='https://www.rieselprime.de/ziki/Williams_prime_MM_3']2*3^n-1[/url] and [url='https://www.rieselprime.de/ziki/Williams_prime_PM_3']4*3^n-1[/url] in the PrimeWiki, S.Harvey is aware of these, too.
For k=4 I've not included n=0 as in the OEIS-entry.

 Cruelty 2019-09-05 13:17

status report

k=2 and k=4 @ base=3 tested till n=1.93M
127*128^n-1 tested till n=2.07M

 Cruelty 2019-10-05 17:28

status report

k=2 and k=4 @ base=3 tested till n=1.94M
127*128^n-1 tested till n=2.08M

 Cruelty 2020-01-03 20:42

status report

k=2 and k=4 @ base=3 tested till n=2M (sieving)
127*128^n-1 tested till n=2.15M

 Cruelty 2020-04-04 00:20

status report

k=2 and k=4 @ base=3 tested till n=2M (sieving)
127*128^n-1 tested till n=2.22M

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