OFFSET
1,1
COMMENTS
Column 5 of A220931
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..55
EXAMPLE
Some solutions for n=3
..0..0..0..2..2....0..0..0..2..2....0..0..2..2..3....0..0..1..1..2
..0..0..2..2..2....0..0..2..0..0....0..0..1..0..0....0..0..1..2..1
..3..2..2..2..2....1..3..0..0..0....0..0..0..0..0....0..1..2..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 25 2012
STATUS
approved