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A197314 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4 1
2, 9, 128, 152, 1033, 4780, 24903, 113774, 553807, 2751427, 13385323, 64601708, 318081207, 1550881210, 7598781154, 37018138503, 181198882339, 884596380240, 4326961466564, 21126289404408, 103287098681855, 504482396779592 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Every 0 is next to 0 0's, every 1 is next to 1 1's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 0's
Column 5 of A197317
LINKS
EXAMPLE
Some solutions containing all values 0 to 4 for n=4
..0..3..0..1..1....0..3..0..1..1....1..0..3..0..1....0..2..1..1..2
..1..0..4..0..2....1..0..4..0..2....1..3..0..3..1....1..1..0..2..1
..1..2..0..1..1....1..2..0..1..1....2..0..4..0..2....2..0..4..0..1
..0..1..1..2..0....2..1..1..2..0....1..1..0..1..1....1..1..0..3..0
CROSSREFS
Sequence in context: A090242 A047684 A162955 * A295331 A064448 A173215
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 13 2011
STATUS
approved

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Last modified July 18 06:54 EDT 2024. Contains 374377 sequences. (Running on oeis4.)