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A222794
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T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order
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14
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1, 0, 0, 0, 3, 0, 3, 4, 8, 0, 4, 18, 34, 55, 0, 8, 62, 275, 582, 294, 0, 10, 302, 888, 5896, 3800, 1883, 0, 55, 1246, 14292, 77978, 137804, 92642, 11920, 0, 72, 6094, 62072, 1026076, 1615706, 3315998, 589134, 78255, 0, 294, 26914, 1144030, 16057219
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OFFSET
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1,5
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COMMENTS
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Table starts
.1.........0............0...............3.................4..................8
.0.........3............4..............18................62................302
.0.........8...........34.............275...............888..............14292
.0........55..........582............5896.............77978............1026076
.0.......294.........3800..........137804...........1615706...........88097352
.0......1883........92642.........3315998.........163288090.........8113737592
.0.....11920.......589134........80934417........3723507945.......762956665320
.0.....78255.....15697114......1992934141......374218329866.....72357582862167
.0....517050....101205850.....49390328481.....8769044681276...6893999224041770
.0...3451712...2768968458...1230248849616...883217207685508.659082936314507965
.0..23156964..17982090240..30772191192457.20907867146102343
.0.156076271.499074464184.772421301648384
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LINKS
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EXAMPLE
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Some solutions for n=3 k=4
..0..1..0..2....0..0..1..1....0..0..1..0....0..0..0..0....0..0..0..0
..1..2..2..2....1..0..1..1....0..0..2..2....0..0..0..1....0..0..0..1
..2..2..2..2....1..1..1..1....2..2..2..2....2..2..0..0....2..0..3..3
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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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