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A235747
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T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise
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4
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256, 2982, 2982, 33640, 103106, 33640, 343500, 3493283, 3493283, 343500, 3415268, 102505743, 351909466, 102505743, 3415268, 32611962, 2937817702, 30537258362, 30537258362, 2937817702, 32611962, 306033109, 78357821891, 2563845268583
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OFFSET
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1,1
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COMMENTS
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Table starts
......256........2982...........33640.............343500.............3415268
.....2982......103106.........3493283..........102505743..........2937817702
....33640.....3493283.......351909466........30537258362.......2563845268583
...343500...102505743.....30537258362......8031688723354....2069114938398467
..3415268..2937817702...2563845268583...2069114938398467.1663136023018532612
.32611962.78357821891.197624940459675.491993262003115868
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LINKS
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EXAMPLE
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Some solutions for n=2 k=4
..0..0..3..0..3....0..0..0..1..0....0..0..3..1..2....0..0..2..0..0
..0..0..2..3..0....0..0..2..0..3....0..0..2..1..3....0..0..0..3..3
..0..0..0..2..1....0..0..1..1..2....0..0..3..2..1....0..0..2..0..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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