OFFSET
1,1
COMMENTS
Column 3 of A238287
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..1..2..2..2....2..3..3..1....0..1..1..0....0..1..2..2....3..3..3..3
..0..1..2..2....1..2..2..0....0..1..1..0....0..1..2..2....1..1..1..1
..0..1..2..2....0..2..2..0....1..3..3..0....3..3..2..2....1..1..1..0
..1..1..3..3....0..3..3..1....1..3..3..0....3..3..2..2....1..1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2014
STATUS
approved