OFFSET
1,1
COMMENTS
Column 4 of A253615
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..0..0..1..0..1..1....0..0..1..1..0..0....0..0..1..0..0..0....0..0..1..0..1..0
..0..2..0..2..0..0....1..0..0..1..1..2....2..0..0..0..0..0....0..0..1..1..1..2
..1..2..2..0..2..0....2..2..1..2..2..1....1..1..2..2..1..2....1..1..0..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 05 2015
STATUS
approved