OFFSET
1,2
COMMENTS
Diagonal of A201496
EXAMPLE
Some solutions for n=3
.-2..0..1...-2.-2.-1...-1..0..1...-2..0..2...-1.-1..0...-2.-1.-1...-2.-1..2
.-1..0..0...-2..2..2...-1..0..2....0.-2..1...-1..2..1....0.-1..1...-2..2..2
..1..2.-1....2..2.-1....0.-2..1....0.-1..2....0..0..0....1..1..2...-1..1.-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 02 2011
STATUS
approved