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A196589
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,1,4 for x=0,1,2,3,4
1
13, 2057, 141460, 8980645, 578185580, 37529013812, 2443612706889, 158784115135859, 10325602150894612, 671207897573507284, 43631583378058347698, 2836674439983859775124, 184408814903864188587732
OFFSET
1,1
COMMENTS
Every 0 is next to 0 3's, every 1 is next to 1 2's, every 2 is next to 2 0's, every 3 is next to 3 1's, every 4 is next to 4 4's
Column 7 of A196590
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1..0..2..0....0..0..0..1..0..1..0....0..0..0..1..2..0..2
..0..0..1..2..0..2..1....0..0..0..2..0..2..0....0..0..0..0..0..0..0
..0..0..0..0..0..0..0....0..0..2..2..0..1..0....0..0..0..0..2..2..2
..0..0..1..2..0..0..2....0..0..1..0..2..1..0....0..0..0..0..2..0..0
CROSSREFS
Sequence in context: A177914 A128394 A196801 * A197046 A283633 A221823
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 04 2011
STATUS
approved