OFFSET
1,1
COMMENTS
Column 4 of A240295
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1..3..3..1....1..3..3..1....1..3..1..0....3..1..1..0....3..1..3..1
..1..0..0..2....1..0..2..0....1..2..0..0....3..0..0..0....3..2..2..2
..1..0..0..2....3..0..0..1....3..2..0..3....3..2..2..0....1..0..0..0
..3..2..2..0....1..3..1..2....1..3..2..3....1..0..2..0....3..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved