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Template:Sequence of the Day for February 14
From OeisWiki
Intended for: February 14, 2012
Timetable
- First draft entered by Alonso del Arte on November 6, 2011 ✓
- Draft reviewed by Daniel Forgues on February 14, 2016 ✓
- Draft to be approved by January 14, 2012
Yesterday's SOTD * Tomorrow's SOTD
The line below marks the end of the <noinclude> ... </noinclude> section.
- { 220, 284, 1184, 1210, 2620, 2924, 5020, ... }
σ (220) − 220 = 284 |
σ (284) − 284 = 220 |
Note that numbers belonging to an amicable pair are not always adjacent in the above sequence: see A259180 for amicable pairs
(x, y), x < y, |
y |
x |
x |