A189194 Number of nX7 binary arrays without the pattern 0 0 1 vertically or antidiagonally.
128, 16384, 537496, 16316636, 379515360, 8646366042, 184841938568, 3925306136096, 81929775932500, 1704770564043390, 35287851485832028, 729339086587874460, 15048014087794649376, 310256937493956570170
Offset: 1
Keywords
Examples
Some solutions for 3X7 ..0..0..1..1..1..1..0....0..0..1..1..1..0..0....0..0..1..1..0..1..0 ..0..0..1..1..1..1..0....1..1..0..0..1..1..0....1..1..0..0..1..1..1 ..0..0..1..1..0..1..0....0..0..1..1..1..0..0....1..0..0..1..1..0..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments