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A222794
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
14
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
OFFSET
1,5
COMMENTS
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
LINKS
EXAMPLE
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
CROSSREFS
Row 1 is A222269
Sequence in context: A277092 A060858 A222690 * A127749 A198431 A138188
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 05 2013
STATUS
approved