A220306 Majority value maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, vertical and antidiagonal neighbors in a random 0..1 nX4 array

7, 86, 1132, 14385, 186321, 2397801, 30848544, 397008439, 5109467288, 65758276696, 846296719236, 10891676826574

Offset

1,1

Comments

Column 4 of A220308

Links

Table of n, a(n) for n=1..12.

Example

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

Crossrefs

Sequence in context: A196257 A296382 A296639 * A344106 A346987 A381089

Adjacent sequences: A220303 A220304 A220305 * A220307 A220308 A220309

Keyword

nonn

Author

R. H. Hardin Dec 10 2012

Status

approved