OFFSET
1,1
COMMENTS
Column 1 of A223824
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..199
EXAMPLE
Some solutions for n=4
..0....0....2....3....3....2....1....2....1....3....2....1....1....2....3....0
..0....3....2....1....0....0....0....1....2....3....3....0....1....0....2....3
..0....0....2....1....3....0....0....1....2....3....3....3....1....3....2....3
..0....1....2....3....2....2....1....2....1....3....2....0....1....1....3....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved