OFFSET
1,1
COMMENTS
Column 2 of A200454
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
EXAMPLE
Some solutions for n=3
.-1...-1...-2....1...-1....2....2...-2....2....2....1....1....1...-2...-2....0
..2....1....1....0....1...-1...-1....2...-2...-1...-2...-2...-1....1....1....1
.-1...-2....2...-2....2....1....0....0....0...-2....1....2....0....2...-1...-1
..2....2....0....2...-2....0...-2...-1...-1....0....2...-1....2...-1....2....1
.-2....0...-1...-1....0...-2....1....1....1....1...-2....0...-2....0....0...-1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 18 2011
STATUS
approved