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A235665
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T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
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7
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256, 3038, 3038, 33610, 105752, 33610, 344668, 3405756, 3377510, 344668, 3402366, 98555090, 314516602, 97225212, 3402366, 32542312, 2711168860, 25757334784, 25779181084, 2654051460, 32542312, 304784986, 71121044662, 1985139761308
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OFFSET
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1,1
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COMMENTS
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Table starts
.......256..........3038............33610.............344668............3402366
......3038........105752..........3405756...........98555090.........2711168860
.....33610.......3377510........314516602........25757334784......1985139761308
....344668......97225212......25779181084......6040295484562...1339343216343068
...3402366....2654051460....1970890033598...1320671371671620.853330948388289724
..32542312...69130583300..141161012840294.269317565241096158
.304784986.1747603214578.9652126935575732
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LINKS
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EXAMPLE
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Some solutions for n=2 k=4
..0..1..0..2..0....0..1..1..1..2....0..1..3..3..1....0..0..1..0..0
..0..0..1..1..0....0..0..0..1..3....0..0..0..3..0....0..0..0..0..3
..0..0..0..1..1....0..0..0..0..2....0..0..0..2..0....0..0..0..2..1
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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