

A208795


Number of nX7 0..2 arrays with no element equal the average of immediate neighbors vertically above, diagonally above and left, and horizontally left of it


1



192, 128904, 93227592, 66895521620, 48061584255222, 34526890433183028, 24802562025201552492, 17817741928160467801010, 12799685067579649862404458, 9194977764026675372017672466, 6605409702199652848217490158622
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

Some solutions for n=4
..0..1..2..1..2..0..1....0..1..2..0..1..2..1....1..2..0..1..2..1..0
..2..0..2..2..0..2..2....2..2..1..2..2..2..0....2..2..2..2..2..2..2
..0..1..2..1..2..1..2....1..2..2..1..1..1..2....0..0..1..1..1..0..2
..1..0..2..1..1..1..2....2..1..2..2..2..0..2....1..2..2..2..0..2..1


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



