OFFSET
1,1
COMMENTS
Column 5 of A224975
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..0..0..0..0..0..3....0..0..0..1..2..2....0..0..3..3..2..2....0..0..3..3..0..3
..0..0..3..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..3
..0..0..3..0..3..1....0..0..3..2..0..1....0..0..3..0..0..2....0..0..0..2..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 21 2013
STATUS
approved