OFFSET
1,2
COMMENTS
Diagonal of A189545
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..20
EXAMPLE
Some solutions for n=5
..1...-1....3...-4...-2....1....3....5...-3....2...-3...-4...-1....2...-1....4
..5....3...-3....4...-1....1....2...-2...-4...-1....3...-3...-2...-2....5...-2
..5...-4....2....3....5...-4....2...-1...-5....2....1....2...-4....4...-5...-2
.-2...-5...-5....2....3....4...-2....1....5...-4....1...-3....2....2....4...-4
.-4...-5...-3...-4...-1...-3....5...-5....3...-4....3...-4....1....3...-3...-4
.-4....5...-2....3....3...-3...-3...-3...-5...-3...-1...-5...-4...-2...-1...-5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 23 2011
STATUS
approved