A197348 Number of nX6 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, 89, 914, 12399, 152111, 2036994, 28226359, 380264123, 5116945034, 69501003275, 947104916619, 12842955562852, 174219658047809, 2367698149031075, 32167182450501802, 436760612415551953, 5931634825068872065

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 6 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
..0..0..0..1..3..1....1..2..0..0..0..0....0..0..0..0..0..0....2..1..3..1..0..0
..1..0..4..0..1..2....3..1..0..0..4..0....0..0..0..4..0..0....1..0..1..0..0..0
..3..1..0..4..0..0....1..0..1..0..0..0....0..4..0..0..1..2....3..1..2..0..4..0
..1..0..0..0..0..0....2..1..3..1..0..0....0..0..0..1..3..1....1..0..0..0..0..0

Crossrefs

Sequence in context: A103548 A241700 A097155 * A289852 A158716 A093289

Adjacent sequences: A197345 A197346 A197347 * A197349 A197350 A197351

Keyword

nonn

Author

R. H. Hardin Oct 13 2011

Status

approved