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

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

R. H. Hardin, Table of n, a(n) for n = 1..62

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

Adjacent sequences: A220962 A220963 A220964 * A220966 A220967 A220968

Keyword

nonn

Author

R. H. Hardin Dec 27 2012

Status

approved