A196651 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,4,0,2,1 for x=0,1,2,3,4

8, 122, 735, 8118, 97292, 965315, 10183698, 109227468, 1156876986, 12249728518, 129927163532, 1377786353021, 14609496269787, 154908775081008, 1642552525655091, 17416757261775288, 184678163033584910

Offset

1,1

Comments

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

Column 6 of A196653

Links

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

Example

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

Crossrefs

Sequence in context: A299664 A243942 A365055 * A197456 A196341 A196320

Adjacent sequences: A196648 A196649 A196650 * A196652 A196653 A196654

Keyword

nonn

Author

R. H. Hardin Oct 04 2011

Status

approved