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A222488
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T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order
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10
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1, 0, 0, 0, 0, 0, 3, 4, 4, 0, 4, 5, 6, 13, 0, 8, 14, 33, 85, 36, 0, 10, 100, 75, 270, 365, 132, 0, 50, 152, 968, 2373, 3219, 3696, 584, 0, 66, 998, 2408, 17095, 20638, 34851, 14928, 2054, 0, 216, 2168, 31222, 145019, 356202, 590724, 374375, 159062, 7700, 0, 280
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OFFSET
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1,7
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COMMENTS
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Table starts
.1......0.........0..........3...........4............8...........10
.0......0.........4..........5..........14..........100..........152
.0......4.........6.........33..........75..........968.........2408
.0.....13........85........270........2373........17095.......145019
.0.....36.......365.......3219.......20638.......356202......2728712
.0....132......3696......34851......590724......9380846....184619038
.0....584.....14928.....374375.....6010402....272350434...4805784476
.0...2054....159062....3973169...194136760...8210507309.413049658833
.0...7700....645704...42982280..2013514580.255223125120
.0..29208...7158232..460903822.65746124890
.0.113024..28604092.4976455334
.0.428784.328610072
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LINKS
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EXAMPLE
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Some solutions for n=4 k=4
..0..1..0..2....0..1..1..1....0..1..2..2....0..1..1..2....0..0..0..1
..2..0..0..0....1..1..1..1....2..2..2..0....2..2..2..2....0..0..0..0
..0..0..0..0....1..1..1..2....2..2..2..2....2..2..2..2....2..0..0..0
..0..0..0..0....1..1..1..0....2..2..2..2....2..2..2..2....1..0..0..0
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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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