OFFSET
1,1
COMMENTS
Column 6 of A237175
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..18
EXAMPLE
Some solutions for n=1
..0..0..2..1..3..1..1....0..0..0..0..0..3..0....0..0..0..2..0..0..0
..2..0..0..0..1..2..3....2..2..2..2..1..2..1....2..3..3..0..3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 04 2014
STATUS
approved