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A200805
Number of nX4 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one
1
22, 2758, 70534, 2869182, 133370844, 5614238516, 241586613760, 10524797358824, 455021753553562, 19693451626359788, 853300295005812580, 36950256615064126862, 1600124538905865989900, 69300200628847585281720
OFFSET
1,1
COMMENTS
Column 4 of A200809
LINKS
EXAMPLE
Some solutions for 3X3
..0..0..0..1....0..1..0..1....2..1..0..0....0..1..0..0....1..0..0..1
..2..1..2..0....0..1..1..0....0..0..2..0....0..0..0..1....2..2..2..0
..2..0..0..0....1..1..1..1....0..2..1..0....0..0..1..1....2..0..1..0
CROSSREFS
Sequence in context: A078278 A231053 A078275 * A128854 A114942 A155885
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 22 2011
STATUS
approved