OFFSET
1,4
COMMENTS
Conjecture: away from boundaries a sliding 101 pattern would fill with a limiting 2/3 1's
Table starts
..1..1..2..2..3..4..4..5..6..6..7..8..8..9.10.10.11.12.12.13
..1..2..4..4..6..6..8..8.10.10.12.12.14.14.16.16.18.18.20
..2..4..5..7..9.10.12.14.15.17.19.20.22.24.25.27.29.30
..2..4..7..9.11.13.16.18.20.22.25.27.29.31.34.36.38
..3..6..9.11.14.17.20.22.26.28.31.34.37.40.43.45
..4..6.10.13.17.20.24.27.30.34.37.41.44.48.51
..4..8.12.16.20.24.28.32.36.40.44.48.52.56
..5..8.14.18.22.27.32.37.42.46.51.56.60
..6.10.15.20.26.30.36.42.47.52.58
..6.10.17.22.28.34.40.46.52.58
..7.12.19.25.31.37.44.51.58
..8.12.20.27.34.41.48.56
..8.14.22.29.37.44.52
..9.14.24.31.40.48
.10.16.25.34.43
.10.16.27.36
.11.18.29
.12.18
.12
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..198
EXAMPLE
Some solutions for 6X6 with maximal 20 1's
..1..1..0..1..0..0....1..1..0..1..0..0....1..1..0..1..0..0....0..1..0..1..0..1
..0..0..1..0..1..1....0..0..1..0..1..1....0..0..1..0..1..1....0..1..1..0..0..1
..1..1..0..1..1..0....1..1..0..1..1..0....1..1..0..1..1..0....1..0..1..1..1..0
..0..1..0..1..0..1....0..1..0..1..0..1....0..1..1..1..0..1....0..1..0..0..1..1
..1..0..1..1..0..0....1..0..1..1..0..1....1..0..0..0..1..0....1..0..1..1..0..0
..1..0..1..0..1..1....1..0..1..0..1..0....1..0..1..1..0..1....1..0..1..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved