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A234664 Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). 0
2564388, 8659270, 29828832, 109044744, 406314140, 1591037136, 6340767776, 26370069748, 111476657864, 489100455892, 2179024286836 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
0 2 0 1 6 6 2 0 2 2 6 5 1 3 0 2 6 5 5 1 1
3 1 3 0 1 5 5 0 6 2 2 5 5 3 0 6 6 1 5 5 1
CROSSREFS
Column 6 of A234665.
Sequence in context: A096557 A345087 A345088 * A225321 A259563 A151938
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 29 2013
STATUS
approved

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Last modified July 14 16:35 EDT 2024. Contains 374322 sequences. (Running on oeis4.)