OFFSET
1,1
COMMENTS
Column 4 of A229320
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..36
EXAMPLE
Some solutions for n=2
..1..1..2..3....2..1..0..1....3..2..3..0....2..2..1..1....3..1..1..3
..2..2..2..0....2..1..3..1....2..3..1..2....3..1..2..3....0..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 19 2013
STATUS
approved