OFFSET
1,1
COMMENTS
Column 5 of A231651
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=3
..0..2..1..0..0....0..0..2..2..2....0..0..0..0..0....0..0..0..0..2
..0..0..0..0..2....1..0..0..0..1....1..2..2..0..2....1..0..0..0..0
..1..0..0..0..0....0..0..2..0..0....1..2..2..0..0....2..2..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 12 2013
STATUS
approved