OFFSET
1,1
COMMENTS
Column 4 of A237211
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..0..2..0..2..2....2..0..0..2..3....3..0..2..3..1....3..3..0..1..3
..0..3..0..3..2....0..3..2..0..0....2..1..3..2..2....1..1..2..3..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 05 2014
STATUS
approved