OFFSET
1,2
COMMENTS
Column 3 of A265447.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..2....0..1..2....0..2..0....0..2..1....0..1..3....0..2..3....0..1..3
..2..3..4....2..3..1....2..0..2....2..3..2....2..3..1....2..3..2....1..0..2
..3..2..3....4..2..3....4..2..4....4..5..4....4..5..3....3..5..3....3..1..3
..2..4..5....5..3..5....5..4..5....5..4..5....5..3..5....2..4..5....1..3..5
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved