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A234711
Number of (n+1) X (7+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
0
6664130, 11903466, 21220178, 48741018, 110368418, 311077338, 850224914, 2760580074, 8598808130, 30865204506
OFFSET
1,1
EXAMPLE
Some solutions for n=1:
0 4 1 4 3 5 1 3 0 0 1 7 2 0 0 7 0 0 6 1 1 6 0 7
4 2 5 2 7 3 5 1 0 6 1 1 2 6 0 1 0 6 6 7 1 0 0 1
CROSSREFS
Column 7 of A234712.
Sequence in context: A344923 A204404 A266914 * A309385 A022237 A273753
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 29 2013
STATUS
approved