OFFSET
1,1
COMMENTS
Column 5 of A224391
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..1..1..1..2....0..0..2..2..3....0..2..2..2..3....0..0..0..3..3
..0..1..1..1..1....1..1..3..3..3....0..2..2..3..3....1..1..1..1..1
..0..1..1..3..3....0..0..0..1..1....0..2..2..3..3....0..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 05 2013
STATUS
approved