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A208438
Number of n X n 0..2 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it
1
3, 28, 1548, 505000, 964650992, 10739447120572, 697471372604833664, 264039217624146229066192, 582845798190981709618659494484, 7500713445239384698086219757987132164
OFFSET
1,1
COMMENTS
Diagonal of A208445
LINKS
EXAMPLE
Some solutions for n=4
..0..2..0..1....2..0..2..1....2..1..0..2....2..1..2..1....2..0..2..1
..1..0..1..0....1..1..1..0....1..2..2..0....0..2..1..2....0..1..0..2
..2..2..1..2....0..1..2..2....2..1..2..2....1..2..2..0....2..0..1..2
..0..0..2..0....1..0..0..2....1..2..0..2....0..0..2..2....1..0..1..2
CROSSREFS
Sequence in context: A328791 A140990 A196735 * A122891 A119156 A175979
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2012
STATUS
approved