A266136 Number of 6Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.
1, 544, 9083, 19750, 326145, 13689944, 325554385, 3901509248, 74115297377, 2013995093008, 45630856227503, 832426433462416
Offset: 1
Keywords
Examples
Some solutions for n=4 ..0..1..1..0....0..0..0..0....0..0..0..1....1..0..2..1....2..1..1..0 ..2..2..1..1....1..2..2..1....1..2..2..1....0..2..0..1....0..1..1..2 ..2..1..0..2....1..1..2..3....0..2..1..0....1..0..2..0....2..3..2..2 ..2..1..1..2....0..0..2..0....0..2..0..2....1..2..2..1....2..1..1..0 ..1..0..1..2....0..2..0..1....3..2..1..1....0..2..0..1....2..1..0..2 ..0..2..0..1....1..0..1..1....0..2..1..0....0..0..1..1....1..0..1..1
Crossrefs
Cf. A266131.
Comments