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A280068
Number of nX7 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
1
8, 41, 281, 2157, 17468, 145485, 1188839, 9934415, 83159859, 698377561, 5887978374, 49721599049, 420447933252, 3558743911515, 30138816610398, 255354080222866, 2164080579680386, 18343719103540772, 155508281837894034
OFFSET
1,1
COMMENTS
Column 7 of A280069.
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0..1. .0..0..1..1..0..1..1. .0..0..0..0..0..0..0
..0..0..0..0..0..1..1. .0..0..1..0..0..1..1. .0..0..0..0..0..0..0
..0..0..0..1..1..1..0. .0..1..1..0..0..0..0. .0..0..0..1..1..0..0
..0..0..1..1..1..0..0. .1..1..0..0..0..0..0. .0..0..1..1..1..0..0
CROSSREFS
Cf. A280069.
Sequence in context: A196927 A188209 A026953 * A304466 A228480 A067301
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 25 2016
STATUS
approved