OFFSET
1,1
COMMENTS
Column 2 of A223751
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..30
EXAMPLE
Some solutions for n=3
..0..1..3....1..2..2....2..0..3....1..2..2....2..0..3....0..2..1....2..3..3
..2..1..3....1..1..2....2..1..3....2..0..3....2..0..3....1..3..3....2..0..3
..2..3..3....1..3..3....2..3..3....2..2..3....2..1..3....0..3..1....2..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 27 2013
STATUS
approved