OFFSET
1,1
COMMENTS
Column 4 of A240427
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..2..0..2..2....0..0..2..0....2..0..2..2....0..3..3..2....0..0..2..2
..2..2..0..0....2..0..2..2....2..0..0..1....0..3..3..2....0..3..2..0
..3..2..0..0....0..2..2..2....0..2..0..2....3..2..1..2....3..3..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved