A232420 Number of (6+1) X (n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.

129323, 296516955, 262249675165, 327861770666547, 456432801562470697, 615510832230066725429, 822137990659058660737125, 1101041057525847742112638843, 1476078911426379672702566687669

Offset

1,1

Comments

Row 6 of A232414.

Links

R. H. Hardin, Table of n, a(n) for n = 1..14

Example

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

Crossrefs

Cf. A232414.

Sequence in context: A190838 A237072 A232122 * A114668 A128038 A210273

Adjacent sequences: A232417 A232418 A232419 * A232421 A232422 A232423

Keyword

nonn

Author

R. H. Hardin, Nov 23 2013

Status

approved