OFFSET
1,2
COMMENTS
Diagonal of A203371
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..15
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..0..1..0....0..0..1..0....0..0..0..1....0..0..0..0
..1..2..0..0....0..1..0..0....0..0..2..0....0..0..1..0....0..1..2..0
..0..0..1..1....1..0..1..0....0..0..0..1....0..0..1..1....1..0..0..0
..1..2..0..1....0..1..0..0....0..1..2..0....0..0..0..1....0..1..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 31 2011
STATUS
approved