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A200575 Number of nX4 0..2 arrays with no average of any element and its horizontal and vertical neighbors equal to one 1
22, 922, 28890, 938128, 30603332, 997303772, 32523513414, 1060675282092, 34590199046646, 1128052999950878, 36788018142626902, 1199728544485667908, 39125481049547004512, 1275958061644704120210, 41611474500836339304542 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A200579
LINKS
EXAMPLE
Some solutions for n=3
..0..2..1..0....2..2..0..0....0..0..2..2....2..1..2..1....1..2..0..2
..2..2..0..1....2..1..0..0....1..1..1..2....1..2..2..1....2..2..2..2
..1..2..2..1....2..1..2..0....1..0..1..1....0..1..2..1....2..2..1..2
CROSSREFS
Sequence in context: A095696 A345456 A322930 * A102995 A211887 A041927
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 19 2011
STATUS
approved

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Last modified March 29 22:15 EDT 2024. Contains 371282 sequences. (Running on oeis4.)