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A196972 Number of n X 6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,2,1 for x=0,1,2,3,4. 1
8, 122, 1380, 20500, 260394, 3602632, 47228658, 627332704, 8353150047, 111159106170, 1478940309946, 19675820763094, 261790325506593, 3482887310542208, 46337842544897348, 616501427043267034 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Every 0 is next to 0 4's, every 1 is next to 1 3's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 1's.
Column 6 of A196974.
LINKS
EXAMPLE
Some solutions for n=4
..2..0..0..2..0..0....0..0..0..0..2..0....0..2..0..2..0..0....0..2..0..0..2..0
..0..0..2..2..0..2....0..2..2..0..1..0....2..3..1..2..0..2....0..2..0..0..2..0
..0..0..2..0..0..2....0..2..3..2..3..2....0..2..2..0..0..2....0..2..0..0..2..0
..0..0..2..0..0..0....0..0..1..0..2..0....0..0..0..0..0..0....0..2..0..0..2..0
CROSSREFS
Cf. A196974.
Sequence in context: A196341 A196320 A197305 * A197559 A222498 A361308
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 08 2011
STATUS
approved

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Last modified July 22 06:32 EDT 2024. Contains 374481 sequences. (Running on oeis4.)