A197205 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,3 for x=0,1,2,3,4

6, 496, 22210, 977946, 44049565, 1989885480, 89745742142, 4040991108566, 182261563872132, 8218346291797149, 370479419808054291, 16702609526861781522, 753042675005485120165, 33950326193658865945236

Offset

1,1

Comments

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

Column 6 of A197207

Links

R. H. Hardin, Table of n, a(n) for n = 1..186

Example

Some solutions for n=4
..0..0..1..0..0..0....0..1..2..1..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..2..0..0..0....0..0..0..0..0..1....0..1..2..1..0..1....0..0..0..3..0..0
..0..1..1..3..0..3....2..1..0..1..0..2....1..0..2..1..0..2....3..0..3..2..1..0
..0..2..1..0..3..0....1..0..1..2..0..1....2..1..1..0..0..1....0..3..0..1..0..0

Crossrefs

Sequence in context: A345027 A203428 A264741 * A197803 A099057 A123278

Adjacent sequences: A197202 A197203 A197204 * A197206 A197207 A197208

Keyword

nonn

Author

R. H. Hardin Oct 11 2011

Status

approved