OFFSET
1,1
COMMENTS
Diagonal of A232257.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..11
EXAMPLE
Some solutions for n=3
..1..1..0..2....1..1..2..1....0..0..2..0....1..1..1..2....0..0..1..1
..1..0..2..1....1..2..0..0....0..2..0..2....2..2..2..1....0..0..0..1
..1..1..0..1....2..2..1..2....2..2..2..1....2..2..0..0....1..2..2..0
..0..0..2..2....2..2..2..2....2..2..0..0....1..0..2..2....1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 21 2013
STATUS
approved