OFFSET
1,2
COMMENTS
Column 4 of A230994
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..3..0....0..1..0..3....0..3..3..0....0..1..3..0....0..3..1..0
..3..2..1..1....3..2..1..2....1..2..2..1....3..2..0..1....1..2..3..2
..3..0..3..2....0..1..0..3....1..0..3..0....2..1..3..2....1..0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 02 2013
STATUS
approved