A196704 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,4,2 for x=0,1,2,3,4

12, 488, 8672, 193326, 4114365, 88057485, 1883754015, 40313628190, 862817869506, 18466264182264, 395214121573203, 8458285032169106, 181022745479257594, 3874225541604098047, 82915675332387910699, 1774550041727447332819

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

Column 5 of A196707

Links

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

Example

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

Crossrefs

Sequence in context: A012466 A344113 A229634 * A175322 A297651 A296596

Adjacent sequences: A196701 A196702 A196703 * A196705 A196706 A196707

Keyword

nonn

Author

R. H. Hardin Oct 05 2011

Status

approved