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A232457
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Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, vertically, diagonally or antidiagonally
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1
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73, 198945, 103104905, 59192688269, 35630507175345, 21136983701111465, 12543745301001506913, 7449142617175430924281, 4423028636981416221000673, 2626216746153116853845829245, 1559356177379175240127485003485
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