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A196321 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4 1
13, 275, 3132, 54081, 879613, 14115912, 228181579, 3665485997, 59089675296, 953116106453, 15359172282512, 247519894627506, 3989312579467033, 64295755893155813, 1036249111850136058, 16701156795097887219 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Every 0 is next to 0 1'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 4's
Column 7 of A196322
LINKS
EXAMPLE
Some solutions for n=4
..0..0..2..0..0..2..0....0..0..0..0..2..0..2....0..0..0..2..0..0..0
..0..2..3..0..2..3..0....0..0..0..2..3..2..0....2..2..0..3..2..2..0
..2..3..2..0..3..2..0....2..2..0..2..1..2..0....0..2..2..2..0..2..2
..0..0..0..0..2..0..0....0..2..0..0..2..0..0....2..0..0..0..0..0..0
CROSSREFS
Sequence in context: A196652 A197455 A196342 * A197306 A196973 A197560
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 01 2011
STATUS
approved

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Last modified June 18 02:31 EDT 2024. Contains 373468 sequences. (Running on oeis4.)