OFFSET
1,1
COMMENTS
Column 5 of A252000
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..172
EXAMPLE
Some solutions for n=1
..0..0..0..0..3..3..0....0..0..0..0..0..3..0....0..0..0..0..0..3..3
..0..0..0..3..3..3..0....3..0..3..0..3..0..0....3..3..0..0..3..0..3
..0..3..0..0..0..0..3....0..3..3..0..0..0..3....0..0..3..3..0..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 12 2014
STATUS
approved