OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..100 (first 20 terms from R. H. Hardin)
EXAMPLE
Some solutions for n=4
..0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0
..2..3..1....2..3..1....2..3..2....2..3..1....2..3..2....2..3..4....2..3..1
..0..2..0....0..4..5....0..4..0....1..0..2....0..1..4....0..5..0....4..5..3
..1..3..1....5..3..4....1..2..1....2..3..0....2..0..1....1..2..1....0..6..4
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 22 2012
STATUS
approved