http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7907941&tstart=0#7907941 \sum_{r,s}{ (\binom{r+s}{r} \binom{2m-r-s}{m-r})^2 } = \binom{4m+1}{2m}
It is true for m from 1 to 250,]]> Oct 18, 2012 4:28:52 AM Oct 18, 2012 4:28:52 AM Jerome.Collet.NOSPAM@laposte.net 0 http://mathforum.org/kb/thread.jspa?messageID=7905039&tstart=0#7905039          Jérôme Collet <Jerome.Collet@laposte.net>]]> Oct 12, 2012 6:13:16 PM Oct 12, 2012 6:13:16 PM gavin@wra1th.plus.com 1 http://mathforum.org/kb/thread.jspa?messageID=7904782&tstart=0#7904782
> In message]]> Oct 12, 2012 9:27:01 AM Oct 12, 2012 9:27:01 AM Jerome.Collet@laposte.net 0 http://mathforum.org/kb/thread.jspa?messageID=7904781&tstart=0#7904781 In message <111020121555505579%edgar@math.ohio-state.edu.invalid>
         Gavin Wraith <gavin@wra1th.plus.com>]]> Oct 12, 2012 9:25:50 AM Oct 12, 2012 9:25:50 AM gavin@wra1th.plus.com 0 http://mathforum.org/kb/thread.jspa?messageID=7904490&tstart=0#7904490 In message <111020121212107442%edgar@math.ohio-state.edu.invalid>
         Jérôme Collet <Jerome.Collet@laposte.net>]]> Oct 11, 2012 5:55:50 PM Oct 11, 2012 5:55:50 PM gavin@wra1th.plus.com 0 http://mathforum.org/kb/thread.jspa?messageID=7904377&tstart=0#7904377 From: Jérôme Collet <Jerome.Collet@laposte.net>
Subject: Sum of squares of binomial]]> Oct 11, 2012 2:12:10 PM Oct 11, 2012 2:12:10 PM Jerome.Collet@laposte.net 5