Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).
Navigation
Topics Help • Register • News • History • How to • Sequences statistics • Template prototypes

Difference between revisions of "Cullen prime 18"

From Prime-Wiki
Jump to: navigation, search
(additional history per Beginnings webpage & Wilfrid Keller Email)
(clarification & standard)
 
Line 25: Line 25:
 
==History==
 
==History==
 
{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released
 
{{HistC|2024-10-25|1-100000|Gary Barnes|1058845}}, double-check, released
{{HistC|2023-05-20|1000000|Ryan Propper|855602}}
+
{{HistC|2023-05-20|203597-1000000|Ryan Propper|855602}}
 
{{HistF|2023-05-20|612497|Ryan Propper|855581}}
 
{{HistF|2023-05-20|612497|Ryan Propper|855581}}
{{HistF|2023-05-20|353901|Ryan Propper|855581}}
+
{{HistF|2023-05-20|219525, 342091, 353901|Ryan Propper|855581}}
{{HistF|2023-05-20|342091|Ryan Propper|855581}}
 
{{HistF|2023-05-20|219525|Ryan Propper|855581}}
 
 
{{HistR|2023-05-18|Ryan Propper|855517}} to {{Rn|1000000|1000000}}
 
{{HistR|2023-05-18|Ryan Propper|855517}} to {{Rn|1000000|1000000}}
 
{{HistC|2023-04-25|2-100000|Mark Rodenkirch}}, double-check
 
{{HistC|2023-04-25|2-100000|Mark Rodenkirch}}, double-check

Latest revision as of 05:51, 10 April 2025

Current data

ASCII format : n*18^n+1
Base : 18
Count : 16
Max n : 1,000,000
Date : 2024-10-25
1[1], 3, 21, 23, 842, 1683, 3401, 16839, 49963, 60239, 150940, 155928, 219525, 342091, 353901, 612497
Remarks :
The sequence A007648 in OEIS

Notes

History