A207932 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically

26, 676, 2080, 6400, 29760, 138384, 592968, 2540836, 11151624, 48944016, 213853728, 934402624, 4090548624, 17907257124, 78350974272, 342814934016, 1500522625152, 6567882332944, 28741775057096, 125777167061764

Offset

1,1

Comments

Row 6 of A207928

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..1..1..0..0..1....0..1..1..0..0....0..1..1..0..1....1..1..0..1..1
..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..1..0..0..1
..0..1..1..0..0....0..1..1..0..1....1..1..1..1..0....0..0..1..1..0
..1..0..0..1..1....0..0..1..1..0....0..1..1..0..1....1..1..1..1..0
..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..1..0..0..1
..1..1..1..0..0....0..1..1..0..1....0..0..1..1..0....0..0..1..1..1

Crossrefs

Sequence in context: A206985 A208377 A208067 * A207849 A208838 A208686

Adjacent sequences: A207929 A207930 A207931 * A207933 A207934 A207935

Keyword

nonn

Author

R. H. Hardin Feb 21 2012

Status

approved