A219007 Unmatched value maps: number of 6Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..2 6Xn array

1, 1632, 131548, 6639893, 377629096, 22776074699

Offset

1,2

Comments

Row 6 of A219002

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A254849 A237923 A297659 * A072409 A052455 A252619

Adjacent sequences: A219004 A219005 A219006 * A219008 A219009 A219010

Keyword

nonn

Author

R. H. Hardin Nov 09 2012

Status

approved