OFFSET
1,1
COMMENTS
Row 2 of A223450
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
.-2..2....1..0....1.-1....1.-3....0.-1....3.-2...-1.-2....0..0....1..3....2..1
.-3..3...-1..0....0..0....0..0....0..1....3.-2....1..2....1..1....0..0...-2.-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 09 2013
STATUS
approved