A220991 Majority value maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 nX4 array

7, 168, 2899, 48800, 781249, 12552490, 199768074, 3172621401, 50293852540, 796576432352, 12609422542725, 199544688476775, 3157253422434725, 49950371583901021, 790214074604432701

Offset

1,1

Comments

Column 4 of A220993

Links

Table of n, a(n) for n=1..15.

Example

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

Crossrefs

Sequence in context: A098632 A192275 A009807 * A165388 A124126 A086373

Adjacent sequences: A220988 A220989 A220990 * A220992 A220993 A220994

Keyword

nonn

Author

R. H. Hardin Dec 28 2012

Status

approved