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A234990 Number of (n+1) X (7+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
762002, 5628414, 58209538, 951853990, 18608169852, 433293595046, 10857686727324, 292379412946254, 8126291847950614, 233115099695210828, 6783985484057006378, 200298891324445897770, 5954479568379696254384 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
3 5 2 1 0 5 1 5 3 4 3 1 0 3 4 2 0 1 2 1 2 3 2 5
0 4 3 0 1 4 2 4 0 3 4 0 1 2 5 1 3 2 1 2 5 4 1 2
CROSSREFS
Column 7 of A234991.
Sequence in context: A254074 A014889 A014888 * A043673 A233415 A122468
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2014
STATUS
approved

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Last modified July 23 19:18 EDT 2024. Contains 374553 sequences. (Running on oeis4.)