A231316 Number of (n+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order

6, 432, 569184, 4509951264, 277024322215296, 124848872383160454816, 418284029768568825937161600, 10384840669528137933211181787934080, 1911676181020982254709223663612649499528544

Offset

1,1

Comments

Diagonal of A231324

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A262013 A379913 A028665 * A270066 A001328 A174777

Adjacent sequences: A231313 A231314 A231315 * A231317 A231318 A231319

Keyword

nonn

Author

R. H. Hardin, Nov 07 2013

Status

approved