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A238026
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T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors
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11
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20, 74, 146, 212, 310, 260, 828, 12722, 4730, 1820, 2312, 32502, 38612, 10362, 3752, 9178, 1147442, 793252, 2176212, 325418, 24818, 25652, 3283862, 5924312, 11523584, 8433752, 677750, 56612, 102356, 104956562, 126809722, 2708828768, 896174928
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OFFSET
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1,1
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COMMENTS
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Table starts
......20.........74..........212...........828...........2312............9178
.....146........310........12722.........32502........1147442.........3283862
.....260.......4730........38612........793252........5924312.......126809722
....1820......10362......2176212......11523584.....2708828768.....16591451786
....3752.....325418......8433752.....896174928....19549318112...2245175385658
...24818.....677750....428504162....6030131286..7737722889458.111990180682454
...56612...21958106...1974653492.1025754609412.70847540686232
..355364...53790778..90867483692.4990295869136
..872600.1439629634.477384762152
.5238356.4161478414
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..72
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EXAMPLE
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Some solutions for n=3 k=4
..0..1..0..1..1..1....0..0..0..1..0..1....0..1..0..0..0..0....0..0..1..1..1..1
..0..1..1..0..0..1....1..1..1..0..0..1....1..0..1..1..0..1....1..0..0..1..0..0
..1..0..0..1..1..1....0..1..1..0..1..0....0..0..0..0..0..0....1..1..1..1..0..1
..1..0..1..0..1..0....1..1..1..1..1..1....0..1..0..1..1..1....1..1..0..0..1..0
..1..1..1..1..1..1....1..0..0..1..1..0....1..0..1..0..0..0....0..1..1..1..1..1
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CROSSREFS
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Sequence in context: A139232 A002292 A225923 * A010008 A237617 A000529
Adjacent sequences: A238023 A238024 A238025 * A238027 A238028 A238029
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin, Feb 17 2014
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STATUS
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approved
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