A220966 Equals one maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to exactly one of their king-move neighbors in a random 0..2 nX4 array

8, 176, 3561, 60534, 993913, 16142576, 260376371, 4183644424

Offset

1,1

Comments

Column 4 of A220967

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for n=3
..1..0..1..1....1..0..1..1....1..0..1..0....1..1..0..1....0..0..0..0
..1..0..1..1....1..0..0..0....0..1..0..1....1..0..1..0....1..0..0..0
..1..1..1..0....1..0..1..1....1..1..0..0....1..1..0..1....1..1..1..0

Crossrefs

Sequence in context: A357503 A024109 A027464 * A220544 A220749 A221631

Adjacent sequences: A220963 A220964 A220965 * A220967 A220968 A220969

Keyword

nonn

Author

R. H. Hardin Dec 27 2012

Status

approved