A188506 Number of nX7 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.
65, 4225, 92597, 1512392, 30288308, 697038111, 15602080066, 335304991524, 7194757384224, 155853551899068, 3383311479703509, 73314613539836869, 1587497536509020156, 34383826361857099073, 744867940878570173157
Offset: 1
Keywords
Examples
Some solutions for 3X7 ..1..1..1..1..1..0..0....0..1..1..0..0..1..1....1..0..1..1..0..1..1 ..0..0..0..0..1..1..0....1..1..1..0..1..1..1....1..0..0..0..0..1..1 ..0..0..0..0..0..1..1....1..1..1..0..1..1..1....0..0..0..1..1..1..1
Links
- R. H. Hardin, Table of n, a(n) for n = 1..200
Comments