OFFSET
1,3
COMMENTS
Column 3 of A184441
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..149
EXAMPLE
Some solutions for n=5
..0....1....3....2....2....3....0....1....2....3....3....1....2....2....1....0
..0....0....0....1....1....0....3....2....0....0....0....2....2....3....2....1
..0....1....0....1....1....0....1....3....0....2....3....0....2....1....0....3
..0....3....2....2....3....3....1....1....3....1....1....3....2....0....2....2
..3....1....2....2....0....0....2....1....1....2....1....0....1....2....2....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2011
STATUS
approved