A196215 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4

9, 189, 1217, 14605, 173216, 1937895, 21716929, 244152037, 2771090244, 31410926798, 354585313303, 4007921508273, 45388862660525, 513791891452149, 5811758649045041, 65752943364665551, 744175679426127501

Offset

1,1

Comments

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

Column 5 of A196218

Links

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

Example

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

Crossrefs

Sequence in context: A078101 A133556 A351333 * A196682 A124008 A033713

Adjacent sequences: A196212 A196213 A196214 * A196216 A196217 A196218

Keyword

nonn

Author

R. H. Hardin Sep 29 2011

Status

approved