OFFSET
1,3
COMMENTS
Column 3 of A184240
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..52
EXAMPLE
All solutions for n=5
..3....0....2....0....3
..3....0....2....0....2
..2....0....2....3....2
..3....0....3....3....2
..0....3....1....0....2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2011
STATUS
approved