OFFSET
1,1
COMMENTS
Row 5 of A270509.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..25
EXAMPLE
Some solutions for n=1
......1..........0..........0..........1..........0..........0..........0
.....0.0........0.0........0.1........1.0........1.0........0.0........0.1
....0.0.0......1.0.0......1.0.0......0.0.0......0.0.0......1.0.0......0.0.0
...0.1.0.0....0.0.0.0....0.0.0.1....0.0.1.0....0.1.0.0....1.0.0.1....1.0.0.0
..0.1.0.1.0..1.0.0.1.1..0.0.0.1.0..1.0.0.0.0..0.0.1.0.1..0.0.0.0.0..0.0.0.1.1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 18 2016
STATUS
approved