OFFSET
1,1
COMMENTS
Column 7 of A201981.
EXAMPLE
Some solutions for n=2
..3..3..3..3..3..3..3....0..0..2..2..2..2..3....1..1..1..1..1..2..3
..3..3..3..3..3..3..3....2..2..1..1..1..1..0....2..2..2..2..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 07 2011
STATUS
approved