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A234480
Number of (n+1) X (5+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).
0
15217152, 1165600828, 101383587816, 9478559277180, 924511268818064, 92612141125166316, 9432367343582659048, 971340789051166791620, 100722072723894161395920
OFFSET
1,1
EXAMPLE
Some solutions for n=1:
0 4 2 2 3 1 0 4 6 3 3 6 4 0 4 4 3 3 0 4 2 6 6 6
4 7 4 3 5 2 0 5 6 4 3 7 4 1 6 5 3 2 0 5 2 7 6 7
CROSSREFS
Column 5 of A234481.
Sequence in context: A322691 A322681 A269118 * A186616 A128480 A273355
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2013
STATUS
approved