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A237004
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Number of (n+1)X(5+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal
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1
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131280, 7370124, 411646536, 33233608132, 2436563812004, 191579721419964, 14586236067453980, 1132213042481221540, 86956201802583194276, 6720876208959067206784, 517536468690756258325220
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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=1
..1..0..2..0..2..3....1..0..0..1..1..1....0..0..0..1..0..0....0..0..1..2..1..0
..3..3..2..2..2..0....0..1..1..0..0..0....2..2..2..1..2..3....3..3..2..0..2..2
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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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