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A183395
Half the number of nX4 binary arrays with no element equal to a strict majority of its knight-move neighbors
1
8, 8, 69, 156, 451, 2595, 12150, 58407, 280852, 1405171, 7015294, 34368476, 167469177, 825952633, 4089662044, 20170838069, 99218328768, 488970338928, 2413015142592, 11903686509071, 58695278806839, 289412617546604
OFFSET
1,1
COMMENTS
Column 4 of A183397
LINKS
EXAMPLE
Some solutions with a(1,1)=0 for 5X4
..0..0..0..1....0..0..1..1....0..1..0..0....0..1..0..0....0..1..0..1
..1..0..1..1....0..0..1..1....1..1..1..0....1..1..0..0....1..0..1..0
..1..1..0..1....1..0..1..1....0..1..0..0....1..1..0..0....0..0..1..1
..1..0..0..0....0..0..0..1....0..0..0..0....0..0..1..1....0..0..1..1
..0..1..0..1....1..0..1..1....1..1..1..1....0..0..1..1....1..0..1..0
CROSSREFS
Sequence in context: A202916 A165426 A341547 * A019216 A020552 A272961
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved