A221501 Majority value maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 4Xn array

1, 65, 1561, 24485, 420022, 6665056, 107190767, 1690202297, 26703076643, 419073070413, 6586631574597, 103328644089460, 1620642625082713, 25414099830572878, 398456044175351385, 6246858252570134307

Offset

1,2

Comments

Row 4 of A221499

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

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

Crossrefs

Sequence in context: A264268 A086029 A221038 * A183271 A197088 A031604

Adjacent sequences: A221498 A221499 A221500 * A221502 A221503 A221504

Keyword

nonn

Author

R. H. Hardin Jan 18 2013

Status

approved