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A188305
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Number of (n+1)X4 binary arrays with every 2X2 subblock sum equal to exactly one or two horizontal and vertical neighbor 2X2 subblock sums
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1
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36, 664, 3784, 30096, 203584, 1514522, 10660334, 77627954, 553295656, 3999339740, 28648406172, 206430645818, 1481793194338, 10663317931808, 76610286157360, 550993785392346, 3960074619398180, 28474664232145762, 204684231700055702
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