OFFSET
1,2
COMMENTS
Column 5 of A230994
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..145
EXAMPLE
Some solutions for n=3
..0..1..1..1..2....0..3..3..0..3....0..1..2..3..0....0..3..1..0..3
..3..2..0..3..3....1..2..2..1..2....3..2..0..0..1....1..2..0..1..2
..2..1..2..1..0....0..3..3..0..1....0..1..2..3..2....0..3..2..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 02 2013
STATUS
approved