OFFSET
1,1
COMMENTS
Column 7 of A222169
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..0..0..1..1..2..4....0..0..0..1..1..3..3....0..0..0..0..1..1..3
..0..0..0..1..3..4..1....0..0..0..2..3..3..3....0..0..0..2..3..3..0
..0..0..1..3..0..1..1....0..0..1..3..3..4..0....0..1..1..3..3..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 10 2013
STATUS
approved