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A253343
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Number of (n+1)X(n+1) 0..1 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
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1
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16, 173, 4800, 305872, 44555528, 15101198444, 11626813328444, 20721971614675948, 84309722535540935020, 790037357585204417117612, 16954849455945229046581221580, 836098119050722296202025294716588
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