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A197205 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,3 for x=0,1,2,3,4 1
6, 496, 22210, 977946, 44049565, 1989885480, 89745742142, 4040991108566, 182261563872132, 8218346291797149, 370479419808054291, 16702609526861781522, 753042675005485120165, 33950326193658865945236 (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 2's, every 2 is next to 2 1's, every 3 is next to 3 0's, every 4 is next to 4 3's

Column 6 of A197207

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..186

EXAMPLE

Some solutions for n=4

..0..0..1..0..0..0....0..1..2..1..0..0....0..0..0..0..0..0....0..0..0..0..0..0

..0..0..2..0..0..0....0..0..0..0..0..1....0..1..2..1..0..1....0..0..0..3..0..0

..0..1..1..3..0..3....2..1..0..1..0..2....1..0..2..1..0..2....3..0..3..2..1..0

..0..2..1..0..3..0....1..0..1..2..0..1....2..1..1..0..0..1....0..3..0..1..0..0

CROSSREFS

Sequence in context: A248361 A203428 A264741 * A197803 A099057 A123278

Adjacent sequences:  A197202 A197203 A197204 * A197206 A197207 A197208

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 11 2011

STATUS

approved

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Last modified January 25 15:42 EST 2021. Contains 340417 sequences. (Running on oeis4.)