A220921 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..2 nX4 array

7, 163, 2874, 48021, 768087, 12279716, 194875324, 3084817236, 48753934045, 769818632111, 12149152730868, 191682361611929, 3023770422609297, 47695484211281964, 752288185098857247, 11865314858425224410

Offset

1,1

Comments

Column 4 of A220922

Links

Table of n, a(n) for n=1..16.

Example

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

Crossrefs

Sequence in context: A142163 A201179 A218998 * A098274 A364114 A363698

Adjacent sequences: A220918 A220919 A220920 * A220922 A220923 A220924

Keyword

nonn

Author

R. H. Hardin Dec 25 2012

Status

approved