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A235070
Number of (n+1) X (7+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).
0
3167392, 20896656, 144439680, 1158928396, 9228249720, 77175918060, 639912767992, 5481037968792, 46648797716992, 409125714780992
OFFSET
1,1
EXAMPLE
Some solutions for n=1:
0 4 2 3 1 5 4 0 0 4 2 0 2 3 4 5 0 2 3 1 2 0 4 3
4 5 6 4 5 6 2 1 4 5 6 1 0 4 2 6 4 3 1 2 0 1 2 4
CROSSREFS
Column 7 of A235071.
Sequence in context: A067899 A234449 A204629 * A203877 A032783 A034638
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 03 2014
STATUS
approved