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Number of n X n arrays of squares of integers with every 3X3 subblock summing to 15
0

%I #4 Dec 18 2015 18:17:18

%S 3480,37772,213728,864276,4577552,19067804,73644648,370791068,

%T 1692340016,7824640020

%N Number of n X n arrays of squares of integers with every 3X3 subblock summing to 15

%K nonn

%O 3,1

%A _R. H. Hardin_ Apr 06 2009