A220067 Majority value maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..1 nX4 array

7, 65, 878, 10179, 122999, 1493178, 18090893, 219096964, 2653795961, 32143795941, 389333836784, 4715703725034, 57117731681641

Offset

1,1

Comments

Column 4 of A220070

Links

Table of n, a(n) for n=1..13.

Example

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

Crossrefs

Sequence in context: A097819 A152525 A272646 * A109779 A239984 A274822

Adjacent sequences: A220064 A220065 A220066 * A220068 A220069 A220070

Keyword

nonn

Author

R. H. Hardin Dec 03 2012

Status

approved