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A222654 T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order 5
1, 1, 1, 2, 7, 2, 11, 60, 60, 11, 34, 724, 1229, 724, 34, 131, 7364, 61757, 61757, 7364, 131, 438, 84816, 1073368, 5024944, 1073368, 84816, 438, 2150, 927152, 58834301, 411489189, 411489189, 58834301, 927152, 2150, 7676, 10585088, 1009942505 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,4
COMMENTS
Table starts
.....1.........1...........2............11.............34............131
.....1.........7..........60...........724...........7364..........84816
.....2........60........1229.........61757........1073368.......58834301
....11.......724.......61757.......5024944......411489189....33625853402
....34......7364.....1073368.....411489189....46185208463.19094951329287
...131.....84816....58834301...33625853402.19094951329287
...438....927152..1009942505.2757290901238
..2150..10585088.57422493141
..7676.119198624
.32491
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..0....0..1..2..3....0..1..0..2....0..1..2..1....0..1..0..0
..0..2..2..3....2..2..2..0....2..0..0..1....2..3..0..2....2..3..2..3
..3..2..1..0....0..2..1..2....3..0..2..3....0..3..2..2....0..0..1..1
CROSSREFS
Sequence in context: A245216 A223149 A222853 * A318059 A212835 A089123
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 27 2013
STATUS
approved

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Last modified May 24 21:45 EDT 2024. Contains 372782 sequences. (Running on oeis4.)