OFFSET
1,1
COMMENTS
Row 2 of A233374.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..67
EXAMPLE
Some solutions for n=4
..0..0..0..1..1....0..0..0..2..2....0..0..1..2..2....0..0..1..1..0
..1..2..0..0..2....1..2..0..2..2....1..2..1..0..1....0..0..0..1..1
..0..0..2..2..2....1..1..2..1..2....0..0..1..2..2....0..0..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 08 2013
STATUS
approved