OFFSET
1,1
COMMENTS
Column 5 of A236640.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..21
EXAMPLE
Some solutions for n=1
..1..2..0..0..1..2....1..0..2..2..2..0....2..1..2..2..0..2....2..1..1..2..1..0
..1..0..0..1..1..0....0..1..2..2..0..1....0..1..1..1..1..2....0..2..0..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 29 2014
STATUS
approved