OFFSET
1,1
COMMENTS
Column 4 of A236041
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..22
EXAMPLE
Some solutions for n=1
..2..2..1..0..1....0..0..2..0..3....0..0..3..1..0....0..1..0..2..1
..0..3..1..2..0....0..3..0..0..1....1..3..3..0..0....1..2..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 18 2014
STATUS
approved