A196909 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.

6, 81, 731, 7290, 72523, 733802, 7352954, 73779592, 741354396, 7448048514, 74830569227, 751918752638, 7555615174572, 75921964710286, 762902570572910, 7666064576569410, 77032893795527075, 774070265353746927

Offset

1,1

Comments

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

Column 5 of A196912

Links

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

Example

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

Crossrefs

Sequence in context: A374923 A052348 A309902 * A197076 A373939 A377262

Adjacent sequences: A196906 A196907 A196908 * A196910 A196911 A196912

Keyword

nonn

Author

R. H. Hardin, Oct 07 2011

Status

approved