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A235819
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Number of (2+1)X(n+1) 0..3 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise
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1
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2894, 87888, 2287822, 52447112, 1113883030, 22196597522, 422920594570, 7766100008976, 138645436041864, 2418329907871922, 41404091421401562, 697988478843485434, 11617489583931774864, 191301863229644130672
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