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A183515
Number of nX7 binary arrays with each element equal to either the sum mod 2 of its horizontal and vertical neighbors or the sum mod 2 of its diagonal and antidiagonal neighbors
1
13, 272, 4903, 94376, 1381491, 23569130, 401449253, 6843217545, 116932875870, 1988233967613, 33890870058722, 577699702907046, 9847424509469045, 167864671236292428, 2861294207208668578, 48773395746553427342
OFFSET
1,1
COMMENTS
Column 7 of A183517
LINKS
EXAMPLE
Some solutions for 3X7
..1..0..0..0..0..0..0....1..1..0..1..0..0..1....1..0..0..0..0..1..1
..1..1..0..0..1..0..0....0..0..0..0..1..1..1....1..1..1..1..1..0..0
..0..1..0..1..0..0..0....1..1..0..0..0..1..0....1..1..1..1..1..1..0
CROSSREFS
Sequence in context: A142262 A364243 A163155 * A001658 A034911 A196652
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved