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A196695 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4 1
13, 890, 55431, 2810070, 155701871, 8471917814, 465819437152, 25583402376768, 1398455518363119, 76661027104639150, 4203790099076060084, 230345827821159257944, 12623159468847996681154, 691830641310960796256835 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Every 0 is next to 0 2's, every 1 is next to 1 1's, every 2 is next to 2 3's, every 3 is next to 3 0's, every 4 is next to 4 4's

Column 7 of A196696

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=4

..0..0..0..0..0..3..0....0..0..0..0..0..0..1....0..0..0..0..0..1..1

..0..0..0..0..0..0..0....0..0..1..0..3..0..1....0..0..0..0..0..0..0

..0..1..0..3..1..1..0....0..0..1..0..3..0..0....0..0..0..0..0..0..0

..0..1..0..0..0..0..0....1..1..0..3..0..3..0....0..3..0..3..0..0..0

CROSSREFS

Sequence in context: A294793 A013539 A201255 * A196728 A197068 A274544

Adjacent sequences:  A196692 A196693 A196694 * A196696 A196697 A196698

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 05 2011

STATUS

approved

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Last modified July 2 16:14 EDT 2020. Contains 335404 sequences. (Running on oeis4.)