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Square roots of squares in A068176.
1

%I #3 Mar 30 2012 17:29:14

%S 5,15,35,115,365,3215,32150,321500,3215000,32150000,321500000,

%T 3215000000,32150000000,321500000000,3215000000000,32150000000000,

%U 321500000000000,3215000000000000,32150000000000000,321500000000000000

%N Square roots of squares in A068176.

%K base,nonn

%O 2,1

%A _Ray Chandler_, Feb 07 2004