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Number of n X n arrays of squares of integers summing to 14 with every element equal to at least one neighbor.
1

%I #4 Dec 18 2015 18:17:14

%S 0,60,8472,504864,105970762,3866050034,52280148964,409561925588,

%T 2277489900016

%N Number of n X n arrays of squares of integers summing to 14 with every element equal to at least one neighbor.

%K nonn

%O 2,2

%A _R. H. Hardin_ Apr 14 2009