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A222402 T(n,k)=Number of nXk 0..2 arrays with exactly floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order 9
1, 0, 0, 0, 0, 0, 3, 0, 0, 3, 4, 9, 4, 9, 4, 8, 0, 35, 35, 0, 8, 10, 92, 0, 162, 0, 92, 10, 50, 0, 624, 717, 717, 624, 0, 50, 66, 998, 900, 8803, 4644, 8803, 900, 998, 66, 216, 0, 21634, 55761, 89582, 89582, 55761, 21634, 0, 216, 280, 11136, 21224, 648643, 540642 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,7
COMMENTS
Table starts
....1......0........0..........3.............4..............8.............10
....0......0........0..........9.............0.............92..............0
....0......0........4.........35.............0............624............900
....3......9.......35........162...........717...........8803..........55761
....4......0........0........717..........4644..........89582.........540642
....8.....92......624.......8803.........89582........1732004.......26513524
...10......0......900......55761........540642.......26513524......506779353
...50....998....21634.....648643......19598014......783341025....31162236755
...66......0....21224....4706538.....141703290....16254970624...679517719195
..216..11136...609872...56003424....4688775266...529021504276.54519194910332
..280......0...756664..406023424...35396592602.11643386996598
.1120.124864.18326048.4784210119.1198472335971
LINKS
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..1....0..0..0..0....0..0..1..1....0..0..1..1....0..0..0..1
..0..0..0..0....0..0..0..1....0..0..1..1....0..1..1..1....0..0..0..0
..0..0..0..1....0..0..0..1....0..0..1..1....1..1..1..1....0..0..0..0
..0..0..0..0....0..0..0..2....0..0..1..1....1..1..1..1....0..0..0..2
CROSSREFS
Sequence in context: A200524 A308223 A222328 * A222522 A091921 A037285
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 18 2013
STATUS
approved

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Last modified June 15 02:25 EDT 2024. Contains 373402 sequences. (Running on oeis4.)