A221040 Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 6Xn array

1, 616, 72625, 4882030, 356411031, 23287585899, 1537391091350

Offset

1,2

Comments

Row 6 of A221035

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for n=3
..1..0..1....1..0..1....0..0..0....0..1..1....0..0..1....1..0..1....0..0..0
..0..1..0....0..0..0....0..0..0....1..0..1....1..0..0....1..1..0....0..0..1
..1..0..0....0..0..0....0..0..1....0..1..1....0..0..1....1..1..0....0..0..1
..1..1..1....0..1..1....1..0..1....1..1..1....1..0..0....1..1..1....1..0..1
..1..0..1....1..0..0....1..1..1....1..0..0....1..1..1....1..0..1....1..1..0
..1..0..0....1..0..0....0..0..0....1..0..1....0..0..0....1..1..0....1..0..1

Crossrefs

Sequence in context: A220391 A219415 A332161 * A221503 A275048 A350083

Adjacent sequences: A221037 A221038 A221039 * A221041 A221042 A221043

Keyword

nonn

Author

R. H. Hardin Dec 29 2012

Status

approved