A188605 Number of nX7 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally.
54, 2916, 45860, 721597, 8951764, 111888105, 1318303126, 15651179908, 182869043451, 2144672066828, 25036785947669, 292716527971307, 3417501720587342, 39921719161278443, 466144062799739670
Offset: 1
Keywords
Examples
Some solutions for 3X7 ..1..0..0..0..0..0..0....0..1..0..0..1..0..1....0..0..0..1..0..0..0 ..1..0..0..1..1..1..1....0..0..1..0..0..0..0....1..0..0..0..0..1..0 ..1..0..0..0..1..0..0....0..1..0..1..0..0..1....0..0..0..0..0..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments