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A220320
Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..3 nX3 array
1
4, 35, 243, 1887, 15189, 116448, 909903, 7061662, 54764410, 425003183, 3295808062, 25561278738, 198233289265, 1537281767263, 11921547738532, 92449984931302, 716936108446899, 5559728723273092, 43114791778783459, 334348143414517835
OFFSET
1,1
COMMENTS
Column 3 of A220323
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0....1..1..0....0..0..1....0..1..1....0..1..1....1..0..1....1..1..1
..0..1..0....1..1..0....0..0..0....0..1..1....0..1..1....1..1..0....0..1..1
..0..0..1....0..1..1....0..0..1....0..0..1....0..0..0....0..0..1....0..0..1
CROSSREFS
Sequence in context: A354855 A128811 A220256 * A261186 A104526 A174436
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 10 2012
STATUS
approved