OFFSET
1,1
COMMENTS
Column 4 of A212232
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0....0....0....0....1....2....2....0....0....2....2....1....1....0....1....0
..1....2....0....1....0....1....0....1....1....2....0....2....2....2....1....0
..1....0....0....1....0....1....1....2....0....1....1....0....0....0....1....0
..1....0....2....0....1....0....0....0....1....0....1....1....0....0....2....1
..2....0....2....0....0....0....1....0....1....0....2....0....1....1....0....0
..1....1....0....0....1....1....2....2....2....1....0....2....2....0....1....1
..2....2....0....1....1....2....0....2....0....1....0....2....1....0....1....0
..0....1....2....1....0....0....2....0....1....1....0....0....1....1....0....0
..0....1....2....1....0....2....1....1....1....2....1....1....1....1....1....2
..0....2....0....2....2....0....0....0....2....2....1....2....0....1....0....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin May 06 2012
STATUS
approved