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A233976
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Number of (n+1)X(3+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 13
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1
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7920, 59440, 455832, 4097024, 37974312, 389559628, 4063204904, 45100814568, 501030842392, 5792456074928, 66350084305560, 782242974657312, 9089302555320488, 108144697929807660, 1264930350635066256
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