OFFSET
1,2
COMMENTS
Column 2 of A202511
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=7
..0...-1....1....2....0...-1...-2...-1...-2....0....2....2....2....1...-2....0
..1....0....0....0...-1...-2...-2....0...-1...-1....0....0....1....1...-2....0
..2....1....0...-2...-1...-1...-2....1...-1....0...-1...-1....1....0....0....0
..1....1....0...-2....0....0....0....2....0....1...-1....0....0....0....2....0
.-1....1...-1...-1....0....1....2....1....1....1....0....1...-1....0....2....0
.-2....0...-1....1....1....1....2...-1....2....0....0....0...-1....0....1....0
.-1...-2....1....2....1....2....2...-2....1...-1....0...-2...-2...-2...-1....0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 20 2011
STATUS
approved