OFFSET
1,2
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..40
EXAMPLE
Some solutions for n=6:
.-6...-3...-5...-4...-5...-5...-4...-4...-3...-5...-5...-5...-5...-6...-5...-3
..1....2...-1....4...-1....1....3...-3...-3....0...-2...-1...-4...-1....3....1
..0...-2....2...-3...-3....2....0....4...-1...-3....3...-2....2....0....0....1
..2....3....0...-1....6...-3...-3...-2....5....3....2....3....1....5...-1...-2
..0...-2....3...-2....0....1...-1....4....2....2....3....6....2....2...-1....0
..3....2....1....6....3....4....5....1....0....3...-1...-1....4....0....4....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 01 2012
EXTENSIONS
a(13)-a(20) from Andrew Howroyd, Mar 02 2017
STATUS
approved