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Numbers n whose digits can be divided into two substrings, x and y, such that n = y^2-x.
0

%I #2 Mar 31 2012 14:00:42

%S 82287,132364,406638,510715,852924,1201096,79308906

%N Numbers n whose digits can be divided into two substrings, x and y, such that n = y^2-x.

%C 82287 = 287^2 - 82; 132364, = 364^2 - 132; 406638, = 638^2 - 406; 510715, = 715^2 - 510;

%C 852924, = 924^2 - 852; 1201096,= 1096^2 - 120 ; 79308906 = 8906^2 -7930

%K nonn,base

%O 1,1

%A _Claudio Meller_, Jun 27 2009