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A236807
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Number of (n+1)X(6+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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75907, 2926867, 107087939, 5140896385, 203606804707, 11092792124317, 457619414560859, 27133853757874765, 1137649333616978947, 71445848806556028277, 3006262303583356155659, 196820730933791596981165
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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) = 66*a(n-1) +6693*a(n-2) -517398*a(n-3) -12402284*a(n-4) +1417737384*a(n-5) -1644793764*a(n-6) -1564727002056*a(n-7) +21216496783968*a(n-8) +527850835201152*a(n-9) -12351354216581376*a(n-10) +54620084393888256*a(n-11) -1596475030394880*a(n-12) -411721665197137920*a(n-13) +648256268849283072*a(n-14) +287629499666792448*a(n-15) -1191655214366588928*a(n-16) +626271353535725568*a(n-17)
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EXAMPLE
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Some solutions for n=1
..0..1..2..2..1..0..2....1..0..2..2..0..1..1....1..2..0..0..0..0..0
..0..2..2..1..1..1..0....0..2..1..0..1..1..2....2..0..1..0..1..2..1
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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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