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A221499 T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..3 nXk array 10
1, 2, 1, 4, 7, 1, 7, 33, 21, 1, 12, 119, 228, 65, 1, 21, 457, 1733, 1561, 200, 1, 37, 1710, 14297, 24485, 10648, 616, 1, 65, 6466, 111042, 420022, 345755, 72625, 1897, 1, 114, 24433, 874106, 6665056, 12253352, 4882030, 495329, 5842, 1, 200, 92196, 6765307 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
.1......2.........4...........7...........12............21............37
.1......7........33.........119..........457..........1710..........6466
.1.....21.......228........1733........14297........111042........874106
.1.....65......1561.......24485.......420022.......6665056.....107190767
.1....200.....10648......345755.....12253352.....395300442...12890161742
.1....616.....72625.....4882030....356799776...23379869304.1542965772979
.1...1897....495329....68933905..10385011060.1381866811158
.1...5842...3378333...973340015.302233979821
.1..17991..23041525.13743460075
.1..55405.157152036
.1.170625
.1
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..1....0..0..0..0....1..1..1..1....0..0..0..0....1..1..1..0
..1..1..0..1....1..0..0..1....1..0..1..0....0..0..1..1....0..1..1..1
..0..0..1..1....1..0..0..1....1..0..0..1....1..1..1..1....0..0..1..1
CROSSREFS
Column 2 is A218836
Column 3 is A221030
Column 4 is A221031
Row 1 is A005251(n+2)
Row 2 is A221036
Sequence in context: A220386 A219410 A221035 * A059579 A261763 A091320
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 18 2013
STATUS
approved

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Last modified February 26 15:44 EST 2024. Contains 370352 sequences. (Running on oeis4.)