OFFSET
1,1
COMMENTS
Column 5 of A227060
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..19
EXAMPLE
Some solutions for n=3
..0..1..0.-2..1....1..0.-2..0..1....0..0..1..0.-1...-2..1..0..0..0
..0.-2..1..0.-1....0..0..1..0.-1....0..0..0..0..0....1.-2..0..0..1
..0..1.-2..2..0...-2..1.-1..1..0....1..0.-2..1..0....0..1..0..0.-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 30 2013
STATUS
approved