OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..50
EXAMPLE
Some solutions for n=4
..0..1..2..1....0..1..0..1....0..1..0..1....0..1..0..1....0..1..0..1
..2..3..0..3....2..3..2..3....2..3..2..3....2..3..2..3....2..3..2..3
..0..4..1..2....4..0..5..0....0..1..0..1....0..1..0..4....0..1..4..0
..1..2..3..4....1..2..3..1....4..2..3..5....2..3..2..1....2..3..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2012
EXTENSIONS
Terms a(8) and beyond from Andrew Howroyd, Jun 25 2017
STATUS
approved