OFFSET
1,1
COMMENTS
Column 4 of A237927
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..109
EXAMPLE
Some solutions for n=1
..0..0..2..1..0....1..2..2..3..1....0..1..3..2..3....2..0..1..1..1
..1..3..1..2..0....1..0..2..0..3....2..2..0..3..3....3..0..2..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 15 2014
STATUS
approved