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A235005 Number of (n+1) X (4+1) 0..7 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
104338, 1049470, 11587376, 162585790, 2432380948, 40037217640, 676947457572, 11824787869510, 208878010076942, 3736584044188300, 67274015119680910, 1219544630997859452, 22219457252029643404, 406909415794274700932 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
Some solutions for n=1:
7 1 2 0 6 3 2 4 7 5 2 3 0 1 2 3 1 2 5 7
6 2 5 1 5 0 1 5 6 2 1 4 3 2 1 6 2 1 2 6
CROSSREFS
Column 4 of A235007.
Sequence in context: A129241 A290535 A253709 * A231143 A249528 A233857
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 02 2014
STATUS
approved

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Last modified September 29 16:58 EDT 2023. Contains 365773 sequences. (Running on oeis4.)