OFFSET
1,1
COMMENTS
Column 5 of A251531.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..11
EXAMPLE
Some solutions for n=1
..0..0..0..1..1..0..0....0..0..0..0..0..0..2....0..0..0..0..0..0..2
..0..0..0..0..0..0..1....0..0..0..2..2..2..1....0..0..0..1..0..0..2
..0..0..0..0..1..0..0....0..0..0..2..1..0..0....0..0..2..2..2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2014
STATUS
approved