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A220070 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..1 nXk array 7
1, 2, 2, 4, 6, 4, 7, 19, 19, 7, 12, 65, 134, 65, 12, 21, 222, 878, 878, 222, 21, 37, 776, 5609, 10179, 5609, 776, 37, 65, 2682, 36011, 122999, 122999, 36011, 2682, 65, 114, 9310, 231343, 1493178, 2812956, 1493178, 231343, 9310, 114, 200, 32288, 1483999 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
...1......2.......4.........7.........12.........21.........37..........65
...2......6......19........65........222........776.......2682........9310
...4.....19.....134.......878.......5609......36011.....231343.....1483999
...7.....65.....878.....10179.....122999....1493178...18090893...219096964
..12....222....5609....122999....2812956...64074980.1459489751.33247715499
..21....776...36011...1493178...64074980.2742089334
..37...2682..231343..18090893.1459489751
..65...9310.1483999.219096964
.114..32288.9515200
.200.112036
.351
LINKS
EXAMPLE
Some solutions for n=3 k=4
..1..1..1..0....1..1..1..1....1..1..1..1....1..0..0..0....1..0..0..0
..0..1..1..0....0..0..1..1....0..1..1..1....0..1..1..0....0..1..0..0
..1..0..0..1....1..1..0..1....1..1..0..0....0..0..0..1....1..1..0..1
CROSSREFS
Column 1 is A005251(n+2)
Sequence in context: A252820 A218765 A219310 * A220217 A220194 A220358
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 03 2012
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)