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A233228
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Number of nX6 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order
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1
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452, 616454, 1142726121, 2131764323784, 3987381898274165, 7462045099033787721, 13966565723905519312347, 26141937448057102691381982, 48931705939631684079610274144, 91589174857476172550555533830040
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