OFFSET
1,1
COMMENTS
Column 6 of A232391
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..0..3..0..1..0....2..3..2..3..1..3..2....0..1..2..3..0..1..0
..2..3..2..1..3..2..3....1..0..1..0..2..1..3....2..3..0..1..2..3..2
..0..1..0..2..0..1..0....3..2..3..1..3..0..2....0..1..3..0..1..0..1
..3..2..3..1..3..2..3....0..1..2..0..2..1..0....3..2..1..2..3..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 23 2013
STATUS
approved