OFFSET
1,1
COMMENTS
Column 4 of A268073.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..43
EXAMPLE
Some solutions for n=2
..0..1..0..1....0..0..1..2....0..0..1..0....0..1..2..2....0..1..1..0
..1..0..1..1....0..2..0..3....2..3..1..1....0..1..3..0....1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 25 2016
STATUS
approved