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A183394
Half the number of nX3 binary arrays with no element equal to a strict majority of its knight-move neighbors
1
4, 8, 46, 69, 227, 794, 2701, 9816, 34649, 120536, 434313, 1550296, 5499239, 19551466, 69802571, 249420924, 889851040, 3174899619, 11337371343, 40485754845, 144598455899, 516411037596, 1844321799338, 6587372833183
OFFSET
1,1
COMMENTS
Column 3 of A183397
LINKS
EXAMPLE
Some solutions with a(1,1)=0 for 5X3
..0..0..0....0..1..1....0..0..1....0..1..0....0..0..1....0..0..1....0..0..1
..1..1..0....0..1..1....0..0..1....1..1..0....0..1..1....0..0..1....0..0..1
..1..1..0....0..0..1....0..0..1....1..1..0....0..1..1....0..0..1....0..1..1
..1..1..0....0..1..1....0..0..1....0..1..0....0..0..1....0..1..1....0..0..1
..1..0..0....0..0..1....1..0..1....1..0..1....0..0..1....0..0..1....0..0..1
CROSSREFS
Sequence in context: A189538 A351071 A270352 * A291948 A002470 A087261
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved