A221503 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..3 6Xn array

1, 616, 72625, 4882030, 356799776, 23379869304, 1542965772979

Offset

1,2

Comments

Row 6 of A221499

Links

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

Example

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

Crossrefs

Sequence in context: A219415 A332161 A221040 * A275048 A350083 A275739

Adjacent sequences: A221500 A221501 A221502 * A221504 A221505 A221506

Keyword

nonn

Author

R. H. Hardin Jan 18 2013

Status

approved