OFFSET
1,1
COMMENTS
Column 4 of A251791
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..0..0..0..0....2..1..1..2..2..1....0..0..0..0..0..0....0..2..2..0..3..1
..0..0..0..1..0..0....0..0..0..0..0..1....0..0..0..0..0..0....1..0..3..1..0..3
..1..0..0..0..0..0....3..3..3..3..3..2....0..1..0..0..0..1....3..2..0..3..2..0
..0..0..0..0..0..0....1..2..2..1..2..2....0..0..0..1..0..0....0..3..1..0..3..2
..0..1..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....1..0..3..2..0..3
..0..0..0..0..0..1....3..3..3..3..3..3....0..0..0..0..1..0....3..2..0..3..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 08 2014
STATUS
approved