OFFSET
1,3
COMMENTS
Column 5 of A231037
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..2..2..1....0..1..1..0..1....0..2..0..0..1....0..2..0..0..2
..0..2..2..0..0....2..2..2..2..2....2..1..1..2..2....0..1..1..1..2
..0..1..1..1..2....1..0..2..1..0....2..0..1..1..0....2..0..0..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved