OFFSET
1,2
COMMENTS
Column 2 of A209365
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=5
..2..3....1..3....2..3....3..3....1..2....1..3....2..2....2..3....3..2....3..3
..2..2....1..2....3..2....2..2....1..1....1..3....1..1....2..2....3..3....3..3
..3..2....2..2....3..2....3..2....3..2....3..3....2..2....3..2....2..2....3..3
..1..1....2..3....2..2....3..2....1..1....1..1....1..1....2..1....3..3....1..3
..1..2....2..2....3..2....2..2....1..3....3..3....1..2....1..1....2..2....1..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 06 2012
STATUS
approved