A197361 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,1,1 for x=0,1,2,3,4

1, 33, 593, 5855, 79051, 1041263, 13639968, 178359981, 2325301494, 30421739045, 398559303702, 5208529268691, 68100059270101, 890956015271870, 11653212521783971, 152394870737191233, 1993174813555117586

Offset

1,2

Comments

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

Column 5 of A197364

Links

R. H. Hardin, Table of n, a(n) for n = 1..201

Example

Some solutions containing all values 0 to 4 for n=4
..1..1..3..1..1....1..0..0..1..2....1..0..0..1..0....1..3..1..0..0
..3..1..1..1..3....3..1..0..3..1....3..1..1..3..1....0..1..1..3..1
..1..4..1..0..1....1..4..1..1..0....1..4..1..2..0....0..1..4..1..2
..2..1..3..1..2....0..1..3..1..0....2..1..3..1..0....1..3..1..0..0

Crossrefs

Sequence in context: A126923 A010985 A228256 * A282926 A172362 A080597

Adjacent sequences: A197358 A197359 A197360 * A197362 A197363 A197364

Keyword

nonn

Author

R. H. Hardin Oct 14 2011

Status

approved