OFFSET
1,1
COMMENTS
Diagonal of A207453
LINKS
R, H. Hardin, Table of n, a(n) for n = 1..39
EXAMPLE
Some solutions for n=5
..0..1..1..1..1....0..1..1..1..1....0..1..0..1..0....1..0..1..1..1
..0..1..0..1..1....0..1..0..1..0....1..1..0..1..0....1..0..1..1..1
..0..1..0..1..0....0..1..0..1..0....0..1..0..1..0....1..0..1..0..0
..0..1..0..1..0....0..1..0..1..0....0..1..0..1..0....1..0..1..0..0
..0..1..0..1..0....0..1..0..1..0....0..1..0..1..0....1..0..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 17 2012
STATUS
approved