OFFSET
1,1
COMMENTS
Column 2 of A201989
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..177
EXAMPLE
Some solutions for n=5
.-3..2...-3.-2...-3..2...-3..2...-3..3...-3.-2...-3.-1...-3.-3...-2.-2...-3..1
.-2.-2...-3.-1...-2.-1...-3..2...-1.-2...-3..2...-2..1...-3..3...-2..3...-2..1
..0.-1....0..1...-1..2...-2..2...-1..0...-2..1....0.-3...-1..1....0.-2...-2..3
..0..3....1..2....0..3....3.-3...-1..3....1..3....2..3...-1..2....2..1...-1..0
..0..3....3..2....2.-2....3.-1....2..0....2..1....3..0....2..3....3.-1....2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 07 2011
STATUS
approved