OFFSET
1,2
COMMENTS
Column 4 of A201451
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..82
EXAMPLE
Some solutions for n=10
..0..0..0..0....0..0..0..0....0..0..0..1....0..0..0..0....0..0..0..1
..0..0..0..1....0..1..1..1....0..0..1..1....0..0..0..0....0..0..1..1
..0..1..1..1....0..1..1..1....0..0..1..1....0..0..2..2....0..1..2..3
..0..1..2..2....0..1..1..1....0..0..1..1....1..1..2..2....0..1..2..3
..0..2..2..2....0..1..2..3....0..1..1..1....1..1..2..3....0..1..2..3
..1..2..2..3....0..2..2..3....2..2..3..3....1..1..2..3....0..1..2..3
..1..2..2..3....0..2..2..3....2..2..3..3....1..1..2..3....0..1..2..3
..1..2..3..3....2..2..2..3....2..2..3..3....1..1..2..3....1..1..2..3
..1..3..3..3....2..3..3..3....2..2..3..3....2..3..3..3....2..2..2..3
..1..3..3..3....2..3..3..3....2..2..3..3....2..3..3..3....2..3..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 01 2011
STATUS
approved