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A196903 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,1,0,2 for x=0,1,2,3,4 1
1, 99, 4768, 141833, 5598122, 216042764, 8351540397, 321111082107, 12356839088825, 475267463574534, 18301760788493413, 704261042875463142, 27105588968030124804, 1043189030239853499999, 40149431446819879902095 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

Column 7 of A196904

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..0..3..0..0..0....0..0..0..0..0..3..0....0..0..0..0..0..0..0

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

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

..0..0..0..3..0..3..0....0..3..0..3..0..0..0....0..0..0..0..3..0..0

CROSSREFS

Sequence in context: A163040 A133319 A196745 * A017815 A017762 A265375

Adjacent sequences:  A196900 A196901 A196902 * A196904 A196905 A196906

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 07 2011

STATUS

approved

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Last modified August 7 23:38 EDT 2020. Contains 336279 sequences. (Running on oeis4.)