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A197279
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4
1
25, 275, 2626, 57137, 886737, 13500114, 209785488, 3332948197, 55701159000, 888511016495, 14113426224907, 227682122103328, 3670040705518361, 58842498077190676, 948189035889733725, 15294961470395061151
OFFSET
1,1
COMMENTS
Every 0 is next to 0 2'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 7 of A197280
LINKS
EXAMPLE
Some solutions containing all values 0 to 4 for n=4
..1..1..1..0..1..1..0....1..0..0..0..0..1..1....1..3..1..0..0..1..2
..0..0..1..1..4..1..0....1..1..3..1..1..1..0....0..1..3..1..1..4..1
..1..1..3..1..1..3..1....0..1..1..3..1..4..1....0..1..3..1..4..1..0
..2..1..0..0..0..0..1....1..1..0..0..0..1..2....0..1..1..0..1..1..0
CROSSREFS
Sequence in context: A012859 A010830 A022717 * A061617 A078463 A231790
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 12 2011
STATUS
approved