Search: id:a251473
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A251473
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Number of (n+1)X(6+1) 0..5 arrays with every 2X2 subblock summing to a prime
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+0
1
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162672044, 112715450380, 80982143877530, 59049118022243816, 43169937494954605912, 31612030391649500418132, 23151635874607878722401594, 16962183574718250700506958296, 12426716712591887404870224893280
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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..0..3..5..5..1....0..0..0..0..0..4..5....0..0..0..0..0..1..1
..1..1..2..2..3..0..5....1..1..2..5..0..1..1....1..2..1..4..3..3..0
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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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