OFFSET
1,2
COMMENTS
Column 5 of A230819
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..2..1..0..1....0..1..2..1..0....0..1..2..1..0....0..2..1..0..2
..1..0..1..2..2....2..1..0..1..2....2..1..0..1..2....1..2..0..2..1
..2..2..2..1..0....2..1..0..0..2....2..1..0..1..2....0..1..2..0..0
..0..1..0..2..1....0..1..2..0..1....0..1..2..1..0....2..1..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 30 2013
STATUS
approved