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A251409
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Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a prime
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1
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883018, 136033976, 20821486740, 3252989390702, 504304720898814, 78814651407482114, 12262924928148666982, 1915023519784641199012, 298364354418489695177016, 46567310552881172277957616
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=1
..0..0..1..1..1..1..2..1....0..0..2..1..1..1..1..0....0..0..2..0..0..1..1..1
..2..0..1..2..1..2..0..2....1..2..1..1..0..0..1..1....2..0..1..2..1..1..2..1
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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