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A220386
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..1 nXk array
13
1, 2, 1, 4, 7, 1, 7, 25, 21, 1, 12, 79, 136, 65, 1, 21, 278, 757, 753, 200, 1, 37, 966, 5114, 7462, 4160, 616, 1, 65, 3362, 33247, 96772, 73066, 22989, 1897, 1, 114, 11642, 211944, 1191846, 1829169, 715412, 127037, 5842, 1, 200, 40375, 1358599, 14300020
OFFSET
1,2
COMMENTS
Table starts
.1......2.........4...........7............12.............21..............37
.1......7........25..........79...........278............966............3362
.1.....21.......136.........757..........5114..........33247..........211944
.1.....65.......753........7462.........96772........1191846........14300020
.1....200......4160.......73066.......1829169.......42415575.......953142266
.1....616.....22989......715412......34521416.....1509240923.....63512364783
.1...1897....127037.....7003040.....651568437....53692543412...4230913273170
.1...5842....702009....68557435...12297040231..1910141303899.281832304026762
.1..17991...3879313...671141189..232084431547.67952729355483
.1..55405..21437148..6570141318.4380156648582
.1.170625.118462034.64318370539
.1.525456.654623158
LINKS
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..0....1..1..1..0....1..1..1..1....1..1..0..0....1..1..1..1
..0..1..1..0....0..1..0..0....0..1..1..1....1..1..0..0....0..1..1..1
..0..1..0..0....1..0..0..1....1..1..0..1....1..1..0..0....0..0..0..0
CROSSREFS
Column 2 is A218836
Row 1 is A005251(n+2)
Sequence in context: A218842 A219421 A297314 * A219410 A221035 A221499
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 13 2012
STATUS
approved