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A238252
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Number of (n+1)X(5+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise
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1
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676, 9991, 284992, 6683137, 171041320, 3320993180, 64353451945, 992794904591, 15160526139045, 192941078342371, 2433696873065044, 26454369332527825, 285456371748779982, 2719536243017821050, 25745538460612968692
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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=2
..0..0..1..0..0..1....0..0..0..1..0..1....0..1..1..1..1..0....1..0..0..1..1..1
..0..1..0..1..1..1....1..0..1..1..1..1....1..0..1..0..1..1....0..0..1..1..1..1
..0..1..0..1..0..1....1..1..1..1..1..1....0..1..1..1..1..0....0..1..0..1..0..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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