A219442 Unmatched value maps: number of 4Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..1 4Xn array

1, 47, 329, 1750, 10157, 57249, 326938, 1871991, 10717083, 61406130, 351621409, 2013957691, 11534261710, 66064401075, 378390334671, 2167284760374, 12413363760441, 71098932771545, 407227101232548, 2332439882554127

Offset

1,2

Comments

Row 4 of A219441

Links

R. H. Hardin, Table of n, a(n) for n = 1..30

Example

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

Crossrefs

Sequence in context: A074774 A107611 A372937 * A055828 A244770 A255141

Adjacent sequences: A219439 A219440 A219441 * A219443 A219444 A219445

Keyword

nonn

Author

R. H. Hardin Nov 20 2012

Status

approved