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A220259 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 vertical neighbors in a random 0..2 nXk array 5
1, 2, 2, 4, 10, 4, 7, 35, 35, 7, 12, 132, 243, 132, 12, 21, 497, 1875, 1875, 497, 21, 37, 1881, 15150, 31917, 15150, 1881, 37, 65, 7102, 115776, 512622, 512622, 115776, 7102, 65, 114, 26812, 903439, 8112068, 17112081, 8112068, 903439, 26812, 114, 200 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
...1......2.......4.........7........12........21........37.........65......114
...2.....10......35.......132.......497......1881......7102......26812...101196
...4.....35.....243......1875.....15150....115776....903439....7005461.54249716
...7....132....1875.....31917....512622...8112068.127838919.2013005761
..12....497...15150....512622..17112081.541819065
..21...1881..115776...8112068.541819065
..37...7102..903439.127838919
..65..26812.7005461
.114.101196
.200
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..1..0..1....0..0..0..0....0..0..0..1....1..0..1..1....0..1..1..1
..0..1..0..0....0..0..0..0....0..1..0..0....1..0..1..1....0..0..1..0
..0..0..0..1....1..1..1..0....0..0..1..1....1..1..0..1....1..0..1..0
CROSSREFS
Column 1 is A005251(n+2)
Sequence in context: A296643 A295040 A295531 * A220323 A295416 A202802
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 08 2012
STATUS
approved

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Last modified April 18 11:52 EDT 2024. Contains 371779 sequences. (Running on oeis4.)