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A235544
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Number of (n+1)X(4+1) 0..1 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise
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1
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378, 4348, 61401, 758256, 9618173, 108503097, 1173374675, 11635568187, 109453308692, 966932051675, 8150811220681, 65564257527282, 507436990647073, 3788110079413002, 27409572083960061, 192741633876530444
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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=3
..1..0..0..0..1....0..0..0..0..1....0..1..0..0..0....0..1..0..0..1
..0..0..1..1..0....0..0..0..1..1....0..0..0..1..1....0..0..0..0..1
..1..0..1..1..1....1..0..1..0..1....0..0..1..1..1....0..1..1..1..0
..1..0..0..1..0....0..0..1..1..0....0..0..1..1..0....1..0..0..1..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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