OFFSET
1,4
COMMENTS
Column 1 of A201888
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=8
..2...-2....1...-2....0....0....1....1....2....1...-1....0....0...-2...-1....0
..2...-2....1...-2....0....0....1....1....2....1...-1....0....0...-2...-1....0
..0....0....0....2...-2....1....0...-1...-1...-1...-1...-1....0....2...-2....1
..0....0....0....2...-2....1....0...-1...-1...-1...-1...-1....0....2...-2....1
.-2....1...-2...-2....1...-2....0...-1....1....2....2...-1....1....0....1....1
.-2....1...-2...-2....1...-2....0...-1....1....2....2....1....1....0....1....1
..0....1....1....2....1....1...-1....1...-2...-2....0....1...-1....0....2...-2
..0....1....1....2....1....1...-1....1...-2...-2....0....1...-1....0....2...-2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 06 2011
STATUS
approved