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%I #4 Dec 18 2015 18:17:18
%S 9,23,49,101,201,401,793,1577,3129,6233,12409,24761,49401,98681,
%T 197113,393977,787449,1574393,3147769,6294521,12587001,25171961,
%U 50339833,100675577,201342969,402677753,805339129
%N 1/2 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 20
%C Same series for 1/2 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 10
%K nonn
%O 2,1
%A _R. H. Hardin_ Apr 06 2009
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