OFFSET
1,1
COMMENTS
Column 4 of A251158
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=1
..0..2..0..0..0....0..0..2..2..2....1..2..2..0..0....1..2..0..0..0
..0..0..0..0..1....1..2..2..0..2....1..1..1..1..0....0..0..0..1..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved