Difference between revisions of "Cullen prime 8"

Latest revision as of 16:33, 7 May 2023

5^[1], 17^[2], 23^[3], 1911^[4], 20855^[5], 35945^[6], 42816^[7], 749130^[8]

Remarks :

The sequence A242178 in OEIS

2018-08-14: Checked n = 2-800000, Serge Batalov, confirmed by private communication
2013-06-10: Found n = 749130, Serge Batalov
?: Checked n = 106755 - 166666, Steven Harvey
1999-12-27: Found n = 35945, Jo Yeong Uk
1999-12-13: Found n = 20855, Jo Yeong Uk
1999-07-23: Found n = 42816, Kazuyoshi Asao
1990-01-01: Found n = 1911, Harvey Dubner

@@ Line 1: / Line 1: @@
 {{Cullen prime
 |CuBase=8
-|CuMaxn=166666
+|CuMaxn=800000
 |CuDate=2018-08-14
-|CuReserved=Serge Batalov
+|CuReserved=
 |CuNlist=
-;C:[[Proth prime 5|{{Kbn|+|5|2|15}}]]
+;C:{{NPr|5|15}}
-;C:[[Proth prime 17|{{Kbn|+|17|2|51}}]]
+;C:{{NPr|17|51}}
-;C:[[Proth prime 23|{{Kbn|+|23|2|69}}]]
+;C:{{NPr|23|69}}
-;38187;C:{{Kbn|+|1911|2|5733}}
+;38187;C:{{NPr|1911|5733}}
-;9950;C:{{Kbn|+|20855|2|62565}}
+;9950;C:{{NPr|20855|62565}}
-;3099;C:{{Kbn|+|35945|2|107835}}
+;3099;C:{{NPr|35945|107835}}
-;2533;C:{{Kbn|+|669|2|128454}}
+;2533;C:{{NPr|669|128454}}
-;114375;C:{{Kbn|+|374565|2|2247391}}
+;114375;C:{{NPr|374565|2247391}}
 |CuRemarks=The {{OEIS|l|A242178}}
 }}
 ==History==
+{{HistC|2018-08-14|2-800000|Serge Batalov}}, confirmed by private communication
 {{HistF|2013-06-10|749130|Serge Batalov}}
 {{HistC|?|106755 - 166666|Steven Harvey}}
-{{HistF|1999-12-26|35945|Jo Yeong Uk}}
+{{HistF|1999-12-27|35945|Jo Yeong Uk}}
+{{HistF|1999-12-13|20855|Jo Yeong Uk}}
 {{HistF|1999-07-23|42816|Kazuyoshi Asao}}
-{{HistF|1999-12-12|20855|Jo Yeong Uk}}
+{{HistF|1990-01-01|1911|Harvey Dubner}}
-{{HistF|1989|1911|Harvey Dubner}}