A232596 Number of (7+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

32, 23034, 2322, 1718514, 306022, 144506106, 41969054, 12273587770, 4884387186, 1043763774120, 539685676660, 88770099413126, 56392403717222, 7550561153273170, 5696222151995370, 642331696103563914, 560920693194450480

Offset

1,1

Comments

Row 7 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..0....0..1..0..1..0....0..1..0..1..0
..2..1..2..1..2....2..1..2..1..2....2..1..2..1..2....2..1..2..1..2
..0..1..0..1..2....0..1..2..1..0....2..1..0..1..2....0..1..0..1..2
..2..1..0..1..0....2..1..0..1..2....0..1..2..1..2....2..1..0..1..2
..0..1..2..1..0....2..1..2..1..0....0..1..0..1..2....2..1..2..1..0
..0..1..0..1..2....2..1..0..1..0....2..1..0..1..0....2..1..2..1..0
..0..1..2..1..0....2..1..2..1..0....0..1..2..1..0....0..1..2..1..2
..2..1..0..1..2....2..1..0..1..2....0..1..2..1..0....2..1..0..1..0

Crossrefs

Sequence in context: A016877 A227659 A230914 * A123393 A245291 A016937

Adjacent sequences: A232593 A232594 A232595 * A232597 A232598 A232599

Keyword

nonn

Author

R. H. Hardin, Nov 26 2013

Status

approved