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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
1
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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 11 2011
STATUS
approved