OFFSET
1,1
COMMENTS
Column 5 of A201101
EXAMPLE
Some solutions for n=3
..0..0..3..4..5....0..1..1..2..6....0..1..1..2..2....0..1..2..2..5
..1..2..3..4..7....0..3..3..5..7....0..3..4..6..6....0..3..4..4..6
..1..2..5..6..7....2..4..4..5..7....3..4..5..7..7....1..3..6..7..7
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 26 2011
STATUS
approved