OFFSET
1,1
COMMENTS
Column 7 of A206137.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..75
EXAMPLE
Some solutions for n=4:
..1..0..1..2..0..3..1..2....1..2..1..3..0..3..0..2....2..1..3..2..0..1..0..1
..2..1..2..0..2..1..3..1....2..3..2..0..3..0..1..3....3..2..1..3..1..3..2..3
..1..0..1..3..1..2..0..2....3..0..3..2..0..1..2..0....2..3..2..1..2..1..3..0
..3..1..0..1..3..1..2..3....0..3..1..0..3..0..1..2....1..2..3..2..1..2..0..3
..0..2..1..3..2..3..0..2....1..0..2..1..0..1..0..1....2..0..1..3..2..1..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2012
STATUS
approved