Timeline for Show that this ratio of factorials is always an integer
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| May 13, 2013 at 18:47 | comment | added | Douglas Zare | As Ira Gessel pointed out, that last $(-1)^m$ should be $(-1)^n$. | |
| May 11, 2013 at 15:37 | history | edited | Douglas Zare | CC BY-SA 3.0 |
Added material from Gessel's Super Ballot Numbers; added 45 characters in body; edited body; added 2 characters in body
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| May 11, 2013 at 15:21 | history | edited | Douglas Zare | CC BY-SA 3.0 |
Added summations.
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| May 11, 2013 at 14:45 | history | answered | Douglas Zare | CC BY-SA 3.0 |