OFFSET
1,1
COMMENTS
Column 4 of A202134
EXAMPLE
Some solutions for n=2
..3..3..3.-3....3..3.-3.-3...-3.-3..0..3....1..1..1.-3....0.-1..3.-2
.-1.-1.-1.-3...-3.-3..3..3....0..0..0..3....1..1..1.-3....0.-1..3.-2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 11 2011
STATUS
approved