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A220313 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, vertical and antidiagonal neighbors in a random 0..3 nXk array 5
1, 2, 2, 4, 9, 4, 7, 40, 40, 7, 12, 155, 367, 155, 12, 21, 617, 3024, 3024, 617, 21, 37, 2457, 24367, 50451, 24367, 2457, 37, 65, 9785, 194128, 822483, 822483, 194128, 9785, 65, 114, 38986, 1541546, 13221364, 26882175, 13221364, 1541546, 38986, 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
...2......9.......40.......155.......617......2457......9785......38986
...4.....40......367......3024.....24367....194128...1541546...12227770
...7....155.....3024.....50451....822483..13221364.211771497.3387519403
..12....617....24367....822483..26882175.867644508
..21...2457...194128..13221364.867644508
..37...9785..1541546.211771497
..65..38986.12227770
.114.155300
.200
LINKS
EXAMPLE
Some solutions for n=3 k=4
..1..0..1..1....1..1..0..0....0..0..1..1....1..1..1..1....1..0..0..1
..1..0..0..0....1..0..1..1....1..0..0..1....0..0..1..0....0..0..1..1
..0..1..0..0....0..0..1..1....0..0..0..1....0..1..1..0....1..1..0..0
CROSSREFS
Column 1 is A005251(n+2)
Sequence in context: A201376 A005141 A220369 * A021982 A165251 A264128
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 10 2012
STATUS
approved

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Last modified April 20 09:56 EDT 2024. Contains 371805 sequences. (Running on oeis4.)