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A219005 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..2 4Xn array 0
1, 126, 2374, 31857, 462668, 7027671, 105807897, 1583929029, 23732266546, 355842741628, 5335066750849 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A219002

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3

..1..1..1....1..0..0....0..1..0....1..1..1....1..0..1....1..0..0....0..0..1

..0..0..1....1..0..1....0..0..0....1..0..0....0..0..0....0..0..1....1..0..0

..1..0..0....1..1..1....1..0..1....1..1..1....1..0..0....1..0..0....0..0..0

..1..0..1....0..0..1....1..0..0....0..0..0....1..1..0....1..0..1....1..0..1

CROSSREFS

Sequence in context: A172140 A196414 A133499 * A202398 A113857 A267282

Adjacent sequences:  A219002 A219003 A219004 * A219006 A219007 A219008

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 09 2012

STATUS

approved

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Last modified January 19 18:27 EST 2019. Contains 319309 sequences. (Running on oeis4.)