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A234989 Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). 1
163416, 1026784, 8616068, 105948984, 1507413164, 24740904388, 433293595046, 8076317372004, 155302530533130, 3074015131838128, 61768316675114716, 1258147349976954976, 25815980445306370036, 533174799308048822422 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
1 0 5 4 5 2 1 3 4 3 2 3 2 5 4 3 5 4 3 4 2
4 1 4 5 4 3 0 0 3 4 5 4 1 2 3 0 4 1 2 5 1
CROSSREFS
Column 6 of A234991.
Sequence in context: A230925 A204653 A031677 * A110072 A196675 A034603
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2014
STATUS
approved

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Last modified July 14 04:38 EDT 2024. Contains 374291 sequences. (Running on oeis4.)