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A236808
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Number of (n+1)X(7+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal
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1
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330433, 20377961, 1117775361, 86863046591, 5094225962785, 457619414560859, 27385111938746265, 2738509536172477067, 163523882162586207553, 17866672312397065316531, 1056619306386809386800201
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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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FORMULA
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Empirical: a(n) = 146*a(n-1) +8581*a(n-2) -2153126*a(n-3) +36986164*a(n-4) +8566608616*a(n-5) -403792107492*a(n-6) -4627004769288*a(n-7) +614603881718240*a(n-8) -11583617148991360*a(n-9) +50064271774317056*a(n-10) +362780843147264*a(n-11) -383746761879830528*a(n-12) +600909926643662848*a(n-13) +270740030729748480*a(n-14) -1110528281385369600*a(n-15) +583172068737024000*a(n-16)
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EXAMPLE
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Some solutions for n=1
..1..0..2..0..1..2..0..2....1..0..2..2..0..0..1..1....1..0..2..1..0..2..1..1
..2..2..1..2..0..2..1..0....1..1..0..1..2..1..1..0....1..1..2..2..2..1..1..0
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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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