OFFSET
1,1
COMMENTS
Column 2 of A236596
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..2..1..3....1..3..0....3..1..3....0..0..0....3..1..2....2..0..1....1..1..2
..3..3..3....0..3..0....0..1..2....0..3..1....2..2..2....3..0..3....0..3..0
..3..2..0....0..3..3....3..3..2....2..3..0....2..1..1....1..0..3....1..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2014
STATUS
approved