http://concretenonsense.wordpress.com/2008/04/18/m-2-numbers-in-a-square/ A group blog about mathematics Mon, 16 Nov 2009 12:57:59 +0000 http://wordpress.com/ hourly 1 http://concretenonsense.wordpress.com/2008/04/18/m-2-numbers-in-a-square/#comment-28 yanzhang Sat, 24 May 2008 20:55:54 +0000 http://concretenonsense.wordpress.com/?p=11#comment-28 Whoa nice. thanks for the reference Whoa nice. thanks for the reference

]]> http://concretenonsense.wordpress.com/2008/04/18/m-2-numbers-in-a-square/#comment-27 R Fri, 23 May 2008 23:00:23 +0000 http://concretenonsense.wordpress.com/?p=11#comment-27 c.f. 1981 Putnam, 1988 IMO Shorlist and slightly less related USSR 1982 c.f. 1981 Putnam, 1988 IMO Shorlist and slightly less related USSR 1982

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