OFFSET
1,2
COMMENTS
Column 7 of A231037
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..14
EXAMPLE
Some solutions for n=3
..0..1..0..1..0..2..0....0..1..2..0..0..2..0....0..2..2..1..0..2..0
..0..2..2..0..1..1..1....2..2..0..2..1..1..0....0..1..1..0..2..1..1
..0..1..1..0..2..0..2....1..0..1..2..1..0..2....0..2..0..2..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved