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A146201 Number of n X n arrays of squares of integers summing to 7 with every element equal to at least one neighbor. 1

%I

%S 0,12,1640,23650,129116,457330,1265468,2979098,6251260,12030146,

%T 21635420,36843178,59979548,94022930,142714876,210679610,303552188,

%U 428115298,592444700,806063306

%N Number of n X n arrays of squares of integers summing to 7 with every element equal to at least one neighbor.

%K nonn

%O 2,2

%A _R. H. Hardin_ Apr 14 2009

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Last modified September 24 15:14 EDT 2020. Contains 337321 sequences. (Running on oeis4.)