A219155 Unchanging value maps: number of nX7 binary arrays indicating the locations of corresponding elements unequal to no horizontal, antidiagonal or vertical neighbor in a random 0..1 nX7 array

37, 269, 4224, 69784, 1158374, 19027977, 313358793, 5166391614, 85169635842, 1403453366899, 23126821932330, 381141272070008, 6281343351178459, 103514990427943167, 1705904145663366263, 28113218418204371794

Offset

1,1

Comments

Column 7 of A219156

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A119545 A131278 A144497 * A139996 A219740 A142835

Adjacent sequences: A219152 A219153 A219154 * A219156 A219157 A219158

Keyword

nonn

Author

R. H. Hardin Nov 12 2012

Status

approved