OFFSET
1,1
COMMENTS
Column 4 of A238287
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..0..1..3..3..3....1..3..3..3..3....0..2..3..3..3....0..0..2..2..0
..0..1..1..3..3....0..2..2..2..1....0..1..2..2..2....0..0..0..0..0
..1..1..1..3..3....0..2..2..2..1....1..1..2..2..2....1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2014
STATUS
approved