A197044 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,0,1,3 for x=0,1,2,3,4

5, 203, 4080, 79785, 1563352, 31096170, 621506173, 12367566377, 246209727883, 4904183446578, 97655063600656, 1944656969992804, 38726607687532464, 771192417913040813, 15357390085688256362, 305826177600042178901

Offset

1,1

Comments

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

Column 5 of A197047

Links

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

Example

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

Crossrefs

Sequence in context: A337579 A196799 A196587 * A216615 A215923 A208468

Adjacent sequences: A197041 A197042 A197043 * A197045 A197046 A197047

Keyword

nonn

Author

R. H. Hardin Oct 08 2011

Status

approved