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Template:Sequence of the Day for February 17
From OeisWiki
Intended for: February 17, 2012
Timetable
- First draft entered by Alonso del Arte on November 13, 2011 based on a remark from Farideh Firoozbakht ✓
- Draft reviewed by Daniel Forgues on February 16, 2016 ✓
- Draft to be approved by January 17, 2012
Yesterday's SOTD * Tomorrow's SOTD
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A005936: Pseudoprimes to base 5.
- { 4, 124, 217, 561, 781, 1541, 1729, ... }
q |
2 q − 1 |
n = q (2 q − 1) |
q |
10 k + 1 |