OFFSET
1,2
COMMENTS
Row 5 of A231049
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..2..3....0..3..2..3....0..1..2..3....0..1..2..3....0..1..0..1
..2..3..0..1....2..1..0..1....0..3..0..1....0..3..0..1....2..3..2..1
..2..1..2..3....2..3..2..1....2..1..2..3....0..3..2..1....2..1..2..3
..2..3..2..1....2..1..2..3....0..1..2..1....0..1..0..3....2..1..0..1
..0..1..0..1....0..3..0..3....0..3..0..1....0..3..2..1....2..3..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2013
STATUS
approved