OFFSET
1,1
COMMENTS
Row 3 of A223450
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..42
EXAMPLE
Some solutions for n=3
..2.-1..1....0..0..0...-1..0.-2...-2..2.-3....2..1..0....0.-2..2....1..1..0
..0..1..0....3..1..0...-1..1.-1...-3..3.-3...-2.-1..0....1..3.-2....0..0..0
.-2..2.-1...-3..0..1....1..0..2....0..0..1....1..1..1....1..2.-1....0..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 09 2013
STATUS
approved