OFFSET
1,1
COMMENTS
Column 5 of A200831
EXAMPLE
Some solutions for n=3
..0..0..0..0..2....0..0..0..3..2....0..0..0..2..3....0..0..0..1..4
..0..0..0..2..4....0..0..0..4..3....0..0..0..4..4....0..0..0..2..5
..0..2..4..5..5....0..1..3..5..3....0..0..5..3..4....0..2..3..2..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 23 2011
STATUS
approved