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A220965
Equals one maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..2 nX3 array
1
4, 40, 405, 3561, 29567, 242439, 1964902, 15821751, 126979814, 1017116549, 8138315930, 65077432961, 520202376129, 4157450203725, 33222463115621, 265465363823069, 2121130686345074, 16947964047438649, 135413574933144677
OFFSET
1,1
COMMENTS
Column 3 of A220967
LINKS
EXAMPLE
Some solutions for n=3
..1..1..1....1..0..0....0..1..0....0..1..1....0..0..0....1..0..0....1..1..1
..1..0..1....0..1..0....1..1..0....0..0..0....0..1..0....0..1..1....1..0..1
..0..1..0....0..0..0....1..0..0....1..0..1....1..0..1....1..0..0....1..1..0
CROSSREFS
Sequence in context: A122652 A299867 A093141 * A278036 A221588 A114468
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 27 2012
STATUS
approved