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A196801 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4 1
13, 2057, 140348, 8882811, 567312297, 36350586798, 2336509457978, 149921556582391, 9626071838140254, 617911286516585441, 39661708458260298030, 2546127117580511443456, 163441791893758118667088 (list; graph; refs; listen; history; text; internal format)
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 4's, every 4 is next to 4 1's

Column 7 of A196802

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..116

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A263221 A177914 A128394 * A196589 A197046 A283633

Adjacent sequences:  A196798 A196799 A196800 * A196802 A196803 A196804

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 06 2011

STATUS

approved

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Last modified October 3 10:58 EDT 2022. Contains 357231 sequences. (Running on oeis4.)