A232277 Number of nX4 0..2 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors

22, 1066, 23055, 604133, 14477600, 340593196, 8229274953, 198816273957, 4771778176334, 114661580919909, 2759482867367601, 66374333505614072, 1596018810076647451, 38384994946195079464, 923223409958069416038

Offset

1,1

Comments

Column 4 of A232281

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..1..0..0..2....0..0..0..1....1..1..1..2....2..1..1..1....0..0..0..0
..0..0..2..0....2..2..0..0....1..0..0..0....0..0..0..1....0..0..2..1
..0..0..0..0....1..0..0..2....0..1..0..0....2..0..0..0....1..0..0..1

Crossrefs

Sequence in context: A041924 A160139 A004633 * A223781 A223715 A255957

Adjacent sequences: A232274 A232275 A232276 * A232278 A232279 A232280

Keyword

nonn

Author

R. H. Hardin, Nov 22 2013

Status

approved