A183283 Half the number of nXnXn triangular binary arrays with no element equal to a strict majority of its neighbors

1, 3, 13, 95, 1172, 23115, 731731, 37678191, 3152365970, 427558228844, 94012737555793, 33525147078249414, 19388961595110711939

Offset

1,2

Links

Table of n, a(n) for n=1..13.

Example

Some solutions for 6X6X6 with a(1,1)=0
.......0............0............0............0............0............0
......0.1..........0.1..........0.1..........1.0..........1.1..........0.1
.....1.1.1........1.0.0........1.1.0........1.0.1........1.0.1........1.0.0
....1.0.0.0......0.0.1.0......1.0.1.0......1.0.0.0......0.1.0.1......0.1.1.1
...0.1.0.1.1....0.1.1.0.1....0.0.0.1.0....1.0.1.1.0....0.1.0.1.0....1.0.0.0.1
..0.1.0.1.0.0..1.1.0.1.0.0..0.1.1.0.1.1..0.1.0.1.0.1..0.1.0.1.1.0..1.0.1.1.0.0

Crossrefs

Sequence in context: A274052 A305207 A369197 * A006898 A277492 A342305

Adjacent sequences: A183280 A183281 A183282 * A183284 A183285 A183286

Keyword

nonn

Author

R. H. Hardin Jan 03 2011

Status

approved