OFFSET
1,1
COMMENTS
Column 5 of A201393
EXAMPLE
Some solutions for n=2
..0..1..1..2..3....0..1..2..3..3....0..1..1..2..3....0..0..1..2..2
..3..0..2..1..3....1..3..0..2..2....3..0..2..1..2....1..3..0..2..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 30 2011
STATUS
approved