OFFSET
1,1
COMMENTS
Column 5 of A240381
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..1..3..3..1..1....1..3..3..1..3....3..1..1..3..3....1..3..3..1..1
..1..2..2..0..2....1..2..0..2..2....3..0..0..0..0....1..0..0..2..0
..1..0..2..2..0....3..0..2..2..0....2..0..0..3..3....1..0..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved