OFFSET
1,1
COMMENTS
Column 5 of A231746
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..2..0..0..3..3....0..0..0..3..0....1..1..1..1..1....2..3..2..0..0
..0..0..0..3..3....0..2..0..0..0....3..1..1..3..1....2..2..2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2013
STATUS
approved