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%I #7 Jun 18 2022 23:51:40
%S 184,2592,24232,247368,1951752,17318888,126993640,1048328248,
%T 7433492968
%N Number of (n+1) X (n+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
%C Diagonal of A235258.
%e Some solutions for n=3:
%e 5 4 5 3 1 4 2 6 5 1 6 0 0 4 1 3 1 7 3 6
%e 0 6 0 5 4 0 5 2 1 4 2 3 4 1 5 0 3 2 5 1
%e 5 4 5 3 0 3 1 5 6 2 7 1 2 6 3 5 0 6 2 5
%e 0 6 0 5 4 0 5 2 4 7 5 6 5 2 6 1 3 2 5 1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 05 2014
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