OFFSET
1,2
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..50
EXAMPLE
Some solutions for n=6:
.-6...-3...-5...-3...-2...-5...-4...-4...-3...-5...-4...-4...-5...-3...-3...-5
.-4...-1...-4...-1...-2...-2....1...-3....0...-3...-1...-1...-5...-1...-2...-2
..1...-2....2....5....0....2....0....1....1....4....2...-1....1...-1....4...-2
..4...-1....1...-2....0...-1....2....4...-2...-1....0....4....5....6....4....5
..6....5....6....0....2....4....0...-1....0....3....1....2....2...-1...-3....3
.-1....2....0....1....2....2....1....3....4....2....2....0....2....0....0....1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 04 2012
EXTENSIONS
a(14)-a(22) from Andrew Howroyd, Mar 12 2017
STATUS
approved