A197347 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4

1, 33, 245, 2289, 17577, 152111, 1367870, 11976207, 102819888, 901652503, 7960734146, 69634517247, 607725930336, 5332051608248, 46793978443276, 409707198498049, 3587805656462116, 31453002589770190, 275677556151201299

Offset

1,2

Comments

Every 0 is next to 0 3'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 0's

Column 5 of A197350

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A343499 A318744 A184059 * A344524 A197398 A061223

Adjacent sequences: A197344 A197345 A197346 * A197348 A197349 A197350

Keyword

nonn

Author

R. H. Hardin Oct 13 2011

Status

approved