OFFSET
1,2
COMMENTS
Column 4 of A188211
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..29
EXAMPLE
Some solutions for n=3
.-5...-3...-2...-5...-4...-3...-2...-2...-3...-5...-4...-3...-2....0...-4...-4
..0...-1....1....1...-1....0...-2....0...-2....2....0....1...-1....0....2....1
..5....4....1....4....5....3....4....2....5....3....4....2....3....0....2....3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 24 2011
STATUS
approved