A196948 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4

22, 1792, 60206, 2711711, 115982718, 4998342821, 215125975535, 9264434681345, 398999272140802, 17183027304906341, 739976127644014381, 31866637523239838485, 1372323690154136755767, 59098628715389492859730

Offset

1,1

Comments

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

Column 6 of A196950

Links

R. H. Hardin, Table of n, a(n) for n = 1..153

Example

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

Crossrefs

Sequence in context: A199836 A196705 A196854 * A202885 A183488 A253128

Adjacent sequences: A196945 A196946 A196947 * A196949 A196950 A196951

Keyword

nonn

Author

R. H. Hardin Oct 08 2011

Status

approved