A197429 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4

16, 664, 10684, 410456, 11769456, 337295264, 9869104795, 292706228390, 8642552356445, 253114165333694, 7454560598765350, 220113696023686560, 6476539750313171801, 190545665782624046543, 5615390905643680916267

Offset

1,1

Comments

Every 0 is next to 0 4's, every 1 is next to 1 0'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 6 of A197431

Links

R. H. Hardin, Table of n, a(n) for n = 1..168

Example

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

Crossrefs

Sequence in context: A222916 A346181 A197407 * A231936 A326210 A204841

Adjacent sequences: A197426 A197427 A197428 * A197430 A197431 A197432

Keyword

nonn

Author

R. H. Hardin Oct 14 2011

Status

approved