OFFSET
1,1
COMMENTS
Column 5 of A227025
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..29
EXAMPLE
Some solutions for n=4
..0..0..0..1..0....0..0..0..0..0....0..1..0..0..1....0..0..0..0..1
..0..0..1..0..0....0..0..0..1..1....0..0..0..0..1....0..0..0..1..2
..0..2..0..0..1....0..1..2..1..1....0..1..1..2..1....0..1..2..2..1
..1..1..0..0..0....1..0..1..2..2....1..0..1..2..2....2..2..2..2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jun 27 2013
STATUS
approved