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A251564
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Number of (n+1) X (3+1) 0..7 arrays with every 2 X 2 subblock summing to a prime.
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1
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634130, 100477236, 15941867804, 2532196250950, 402177783997408, 63887515354394210, 10148236457554340550, 1612097555345198160542, 256082560088864495392018, 40680239450040683156455136
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