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A251511
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Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock summing to a prime
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1
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211680, 18567350, 1644478410, 148463964846, 13364799461286, 1208313756081050, 109013443872596196, 9858043579853849290, 890078709570970720374, 80492180151559856136298, 7270622635420927300366604
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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
..1..2..1..0..1....0..1..0..0..0....1..1..1..2..2....1..1..3..0..1
..4..0..4..2..2....0..4..0..3..2....0..0..1..1..2....0..1..0..4..2
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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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