OFFSET
1,1
COMMENTS
Column 2 of A220109
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..99
EXAMPLE
Some solutions for n=3
..0..3....1..2....1..2....1..2....1..3....3..0....2..1....3..2....3..0....1..3
..1..2....3..3....1..1....2..1....0..3....3..0....1..1....2..3....3..2....0..3
..2..3....1..1....2..2....3..3....3..2....3..0....1..3....1..3....0..0....1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 05 2012
STATUS
approved