OFFSET
1,1
COMMENTS
Column 7 of A200831
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..2..1....0..0..0..0..1..2..1....0..0..0..0..0..1..1
..0..0..0..0..3..3..4....0..0..0..0..1..2..2....0..0..0..0..0..3..3
..0..0..0..0..3..5..4....0..0..0..0..2..5..2....0..0..0..0..3..5..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 23 2011
STATUS
approved