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A221035 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..2 nXk array 13
1, 2, 1, 4, 7, 1, 7, 33, 21, 1, 12, 119, 228, 65, 1, 21, 457, 1733, 1561, 200, 1, 37, 1710, 14277, 24485, 10648, 616, 1, 65, 6466, 110506, 419506, 345755, 72625, 1897, 1, 114, 24433, 870027, 6637755, 12239631, 4882030, 495329, 5842, 1, 200, 92196, 6717882 (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........14277........110506........870027
.1.....65......1561.......24485.......419506.......6637755.....106761517
.1....200.....10648......345755.....12239631.....393788081...12843452050
.1....616.....72625.....4882030....356411031...23287585899.1537391091350
.1...1897....495329....68933905..10373626389.1376083439034
.1...5842...3378333...973340015.301896920812
.1..17991..23041525.13743460075
.1..55405.157152036
.1.170625
.1
LINKS
EXAMPLE
Some solutions for n=3 k=4
..1..1..0..1....1..1..0..1....0..1..1..1....0..0..0..1....0..1..0..1
..1..0..1..0....1..0..1..0....1..1..0..1....1..0..0..0....1..1..1..0
..1..1..1..1....0..0..0..0....0..0..1..0....1..1..0..1....1..1..0..1
CROSSREFS
Column 2 is A218836
Row 1 is A005251(n+2)
Sequence in context: A297314 A220386 A219410 * A221499 A059579 A261763
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 29 2012
STATUS
approved

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Last modified May 30 15:08 EDT 2024. Contains 372968 sequences. (Running on oeis4.)