OFFSET
1,2
COMMENTS
Column 4 of A240192
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..2..0..0..0....2..0..0..0....2..0..0..0....2..0..0..0....2..0..0..0
..1..3..2..0....1..2..0..2....1..0..0..2....1..0..2..2....1..3..2..0
..1..3..1..0....1..2..0..2....1..2..0..2....2..3..0..0....2..1..2..2
..2..1..2..2....2..3..0..2....2..1..0..2....1..2..0..2....1..3..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 02 2014
STATUS
approved