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A234420
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Number of (n+1)X(7+1) 0..7 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1
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1
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2094334, 609452862, 184360780592, 57473377454022, 18122285038689252, 5747445821273175392, 1828227876741151008626, 582516650060275178947138, 185790286741345464937151494, 59296242342650026057892424900
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