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Template:Sequence of the Day for September 7
From OeisWiki
Intended for: September 7, 2013
Timetable
- First draft entered by Alonso del Arte on May 31, 2011 (as a verbatim copy of the write-up from December 7, 2010) ✓
- Draft reviewed by Alonso del Arte on September 3, 2011 ✓
- Draft approved by Daniel Forgues on September 8, 2012 ✓
Yesterday's SOTD * Tomorrow's SOTD |
The line below marks the end of the <noinclude> ... </noinclude> section.
n, n ≥ 0 |
a (n), n ≥ 10 |
- { ..., 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 2, 4, 6, ... }
Here we ignore the zeros in the number when multiplying the digits. (Note that for zero we get the empty product, giving 1.)