A196727 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,4,0,3 for x=0,1,2,3,4

9, 299, 10548, 299031, 9376754, 280203939, 8480784814, 260413708520, 7925738767972, 240995847511411, 7341178616840827, 223581927300557652, 6808249999744006848, 207322812709656178441, 6313316805630919549681

Offset

1,1

Comments

Every 0 is next to 0 2's, every 1 is next to 1 1's, every 2 is next to 2 4's, every 3 is next to 3 0's, every 4 is next to 4 3's

Column 6 of A196729

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for n=4
..0..0..0..3..0..0....0..0..0..1..1..0....0..0..0..0..0..0....0..0..0..0..1..0
..3..0..0..0..0..0....0..0..0..3..0..0....0..3..3..0..1..1....3..0..1..0..1..0
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..1..3..0..1
..0..1..1..0..0..0....0..0..0..0..3..0....0..3..0..3..0..0....1..1..0..0..0..1

Crossrefs

Sequence in context: A104775 A106663 A196694 * A197067 A348902 A279449

Adjacent sequences: A196724 A196725 A196726 * A196728 A196729 A196730

Keyword

nonn

Author

R. H. Hardin Oct 05 2011

Status

approved