OFFSET
1,1
COMMENTS
Column 4 of A233480
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..69
EXAMPLE
Some solutions for n=1
..0..0..0..0..1..1....0..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..1..1
..0..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..2..0....0..0..0..0..0..0
..2..3..1..3..1..2....0..3..2..2..0..2....3..3..2..0..0..3....1..1..0..3..3..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 11 2013
STATUS
approved