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A234441 Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings). 1
23520, 324556, 4221580, 59991972, 790261148, 11533082488, 153582428536, 2303823299344, 30988558369076, 477592381790200, 6479933659900164, 102441388245104972, 1399574362250420144, 22641148929701524076 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
1 1 1 0 0 0 0 0 0 1 0 1 0 2 1 1 1 1 2 2 1
2 1 2 0 1 2 1 1 2 2 0 0 0 1 2 1 2 1 1 2 2
CROSSREFS
Column 6 of A234443.
Sequence in context: A204074 A031847 A237528 * A253310 A253658 A253728
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 26 2013
STATUS
approved

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)