OFFSET
1,1
COMMENTS
Column 2 of A236254
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..3..0..0....3..1..1....0..2..3....1..1..0....3..1..0....0..0..3....1..3..0
..2..0..0....2..0..2....2..1..0....0..2..3....3..0..0....2..0..1....1..3..0
..1..1..0....1..2..3....3..3..0....0..3..3....1..0..3....1..1..0....2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 21 2014
STATUS
approved