OFFSET
1,1
COMMENTS
Column 3 of A235559
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..38
EXAMPLE
Some solutions for n=1
..0..1..2..1....2..3..3..2....0..3..1..0....3..3..2..3....3..0..0..2
..1..1..2..1....0..2..1..3....3..0..2..0....3..2..1..0....1..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved