OFFSET
1,2
COMMENTS
Column 4 of A231031
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..2..1..1....0..2..1..2....0..2..0..1....0..2..0..2....0..2..0..1
..1..0..0..2....1..0..0..2....1..1..2..2....1..1..1..0....1..0..1..2
..1..2..0..1....2..1..1..0....2..0..0..1....2..0..2..1....0..2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved