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A222522 T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order 7
1, 0, 0, 0, 0, 0, 3, 0, 0, 3, 4, 9, 4, 9, 4, 8, 0, 37, 37, 0, 8, 10, 114, 0, 206, 0, 114, 10, 55, 0, 1302, 1111, 1111, 1302, 0, 55, 72, 1881, 1318, 26513, 9596, 26513, 1318, 1881, 72, 294, 0, 90581, 221659, 459702, 459702, 221659, 90581, 0, 294, 378, 33828, 70734, 6043652 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,7
COMMENTS
Table starts
....1......0.........0............3...............4................8
....0......0.........0............9...............0..............114
....0......0.........4...........37...............0.............1302
....3......9........37..........206............1111............26513
....4......0.........0.........1111............9596...........459702
....8....114......1302........26513..........459702.........15047384
...10......0......1318.......221659.........3661130........403328822
...55...1881.....90581......6043652.......396851809......32347515041
...72......0.....70734.....56070649......3695255764....1232881699540
..294..33828...5931248...1573702327....395638371502..121450541699548
..378......0...5165434..14644968953...3770574602806.4853507073442748
.1883.624019.396589283.408818223648.408695270841202
LINKS
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..1....0..1..2..3
..0..0..0..2....0..0..0..1....0..0..0..0....0..0..0..0....2..2..2..2
..0..0..0..2....0..0..0..1....0..0..1..1....0..0..0..1....2..2..2..2
..0..0..0..2....0..0..0..1....0..0..1..1....0..0..0..0....2..2..2..2
CROSSREFS
Column 1 is A222269
Sequence in context: A308223 A222328 A222402 * A091921 A037285 A337981
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 23 2013
STATUS
approved

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Last modified May 19 14:45 EDT 2024. Contains 372698 sequences. (Running on oeis4.)