A231649 Number of nX6 0..2 arrays with no element less than a strict majority of its horizontal and vertical neighbors.

121, 4040, 490760, 42882766, 3936913977, 374409597564, 35384751611050, 3335789961947404, 314852421269523851, 29721381118553717447, 2805039910196136173308, 264733396758705184183618

Offset

1,1

Comments

Column 6 of A231651

Links

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

Example

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

Crossrefs

Sequence in context: A014758 A069600 A244065 * A212802 A272775 A018849

Adjacent sequences: A231646 A231647 A231648 * A231650 A231651 A231652

Keyword

nonn

Author

R. H. Hardin, Nov 12 2013

Status

approved