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A233236
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Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order
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1
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99, 79201, 79794804, 81477098771, 83262848013541, 85091928322674062, 86961450397919224924, 88872063259416031223789, 90824654832238039301050323, 92820146494600717297847450500, 94859480738492450602225494197250
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=2
..0..1..0..2..5....0..1..2..0..0....0..1..0..2..1....0..0..1..1..0
..0..4..2..4..0....1..2..0..4..2....2..4..2..2..0....1..2..0..3..3
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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