OFFSET
1,1
COMMENTS
Column 4 of A251442
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..3..2..2..2..0....0..1..0..0..1....1..0..0..2..1....1..0..1..3..1
..0..1..0..0..0....0..3..0..2..2....2..1..0..3..0....2..3..3..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2014
STATUS
approved