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A207053
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Number of nX4 0..3 arrays avoiding the pattern z-1 z-1 z in any row or column
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1
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232, 53824, 10372376, 1980856064, 377752048996, 72028285835462, 13734678041147631, 2619005062646929790, 499402241884398131528, 95227913846774233866769, 18158405728633112095516244
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