A232595 Number of (6+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal

18, 6232, 882, 266490, 66950, 12486510, 5045772, 589476500, 321877590, 27860113632, 19476278870, 1317233935380, 1119177564872, 62306560807010, 62309765310546, 2948573086902894, 3389517867089962, 139604376377561036

Offset

1,1

Comments

Row 6 of A232589

Links

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

Example

Some solutions for n=4
..0..1..0..1..0....0..1..0..1..2....0..1..2..1..0....0..1..0..1..0
..2..1..2..1..0....2..1..2..1..0....2..1..0..1..2....2..1..2..1..0
..0..1..2..1..0....0..1..2..1..2....2..1..0..1..2....0..1..0..1..0
..0..1..0..1..2....2..1..0..1..0....2..1..0..1..2....2..1..2..1..2
..2..1..2..1..0....2..1..0..1..2....0..1..2..1..0....2..1..0..1..0
..2..1..0..1..0....0..1..0..1..0....0..1..0..1..0....2..1..0..1..2
..2..1..2..1..0....2..1..2..1..0....2..1..2..1..0....2..1..2..1..0

Crossrefs

Sequence in context: A319942 A013723 A366518 * A335685 A159405 A265450

Adjacent sequences: A232592 A232593 A232594 * A232596 A232597 A232598

Keyword

nonn

Author

R. H. Hardin, Nov 26 2013

Status

approved