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A223129 Number of 4Xn 0..2 arrays with no more than floor(4Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
14, 664, 33604, 1780641, 95995609, 5237368607, 288571160526, 16027080505369, 895863901854996, 50338336373575693, 2840746375350118566, 160894419525331340526, 9140889738498087938175, 520699963561902675358667 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A223126
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1....0..0..1....0..1..2....0..1..2....0..1..1....0..1..1....0..1..1
..1..0..2....1..0..1....2..0..2....0..0..0....0..1..0....0..2..1....2..0..0
..0..1..2....2..0..2....2..2..1....1..0..1....0..1..1....1..0..2....0..0..2
..2..1..1....1..1..2....2..1..0....1..0..2....0..1..2....2..2..1....1..0..2
CROSSREFS
Sequence in context: A139196 A336513 A233078 * A303288 A277299 A233506
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 15 2013
STATUS
approved

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Last modified June 18 04:26 EDT 2024. Contains 373468 sequences. (Running on oeis4.)