OFFSET
1,1
COMMENTS
Column 6 of A222616
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..23
EXAMPLE
Some solutions for n=3
..0..1..2..3..3..3....0..0..1..2..2..2....0..0..0..1..1..1....0..1..2..1..1..1
..2..2..3..3..3..3....0..1..2..2..2..2....0..0..1..1..1..1....3..1..1..1..1..1
..2..2..3..3..3..3....2..1..2..2..2..2....0..0..1..1..1..2....0..1..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 26 2013
STATUS
approved