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A220995
Majority value maps: number of 3 X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal, diagonal and antidiagonal neighbors in a random 0..3 3 X n array.
0
1, 35, 324, 2899, 23895, 193052, 1550909, 12392103, 98844849, 787498031, 6270246085, 49907638031, 397162497929, 3160272329316, 25145272816990, 200066755560852, 1591791510072767, 12664659002993396
OFFSET
1,2
COMMENTS
Row 3 of A220993.
EXAMPLE
Some solutions for n=3
..0..0..1....0..1..1....0..0..1....0..0..1....1..1..0....0..0..0....0..0..1
..0..1..1....0..1..1....0..1..1....1..1..0....1..0..0....1..0..0....0..0..1
..1..1..0....1..1..0....1..1..1....0..0..1....0..0..1....1..1..1....0..0..0
CROSSREFS
Cf. A220993.
Sequence in context: A198397 A071697 A220924 * A264488 A371841 A227058
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 28 2012
STATUS
approved