A232419 Number of (5+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor

21717, 16262989, 5322933313, 2346397695011, 1137726954093673, 536668354513420383, 251027958588670245973, 117684496557578327516985, 55222195377787585390591485, 25906752805888004672020565183

Offset

1,1

Comments

Row 5 of A232414

Links

R. H. Hardin, Table of n, a(n) for n = 1..81

Example

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

Crossrefs

Sequence in context: A309964 A235219 A232121 * A251033 A318167 A327635

Adjacent sequences: A232416 A232417 A232418 * A232420 A232421 A232422

Keyword

nonn

Author

R. H. Hardin, Nov 23 2013

Status

approved