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A197349 Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4 1
1, 249, 3155, 71411, 1367870, 28226359, 617973077, 13101311077, 275521117202, 5873309926156, 125869557117323, 2679302153154361, 57014937116227499, 1216703701139959983, 25962340043703794411, 553346306492392023723 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

Column 7 of A197350

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..97

EXAMPLE

Some solutions containing all values 0 to 4 for n=4

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

..1..0..4..0..1..0..0....0..0..0..0..0..1..1....0..1..0..0..1..0..1

..3..1..0..4..0..1..0....2..1..0..4..0..1..3....0..1..0..4..0..1..3

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

CROSSREFS

Sequence in context: A030650 A299831 A045254 * A197400 A225209 A197363

Adjacent sequences: A197346 A197347 A197348 * A197350 A197351 A197352

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 13 2011

STATUS

approved

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Last modified December 8 10:24 EST 2022. Contains 358693 sequences. (Running on oeis4.)