A208368 Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically

42, 1764, 23010, 275769, 3759574, 47178453, 570085195, 6982331490, 85099853444, 1028266559100, 12425457898119, 150136148402568, 1811048511383583, 21834166758810375, 263223641419702766, 3172338713859879000

Offset

1,1

Comments

Column 7 of A208369

Links

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

Example

Some solutions for n=4
..1..1..1..1..0..1..0....1..0..1..0..1..1..0....0..1..1..1..1..0..1
..1..0..1..1..0..1..0....1..1..0..1..1..0..0....1..1..0..1..0..1..0
..1..1..0..1..0..1..0....0..1..1..1..1..1..0....1..1..1..1..1..1..0
..0..1..0..1..0..1..0....1..1..1..1..0..1..0....1..0..1..1..1..0..0

Crossrefs

Sequence in context: A208419 A208027 A207807 * A207716 A208077 A009986

Adjacent sequences: A208365 A208366 A208367 * A208369 A208370 A208371

Keyword

nonn

Author

R. H. Hardin Feb 25 2012

Status

approved