OFFSET
1,1
COMMENTS
Column 5 of A210413.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..0..0..0..0..0....0..0..1..0..0..1....0..1..1..1..0..2....0..0..1..0..0..0
..1..2..1..2..1..2....1..2..2..1..2..0....1..3..0..2..2..1....1..2..3..1..2..1
..1..0..2..3..1..0....3..3..0..1..0..1....2..2..1..3..0..1....3..0..1..2..3..0
..3..1..0..1..0..2....0..1..1..2..2..0....0..3..2..0..1..3....1..1..3..2..0..2
..0..1..2..0..3..3....1..2..0..0..1..3....2..0..0..1..2..1....0..2..3..0..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 21 2012
STATUS
approved