OFFSET
1,1
COMMENTS
Column 3 of A251852
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=2
..1..3..1..3..3....1..3..1..3..1....1..3..3..1..3....1..3..3..1..3
..1..1..1..3..1....1..1..3..1..1....1..3..3..1..1....3..1..1..1..3
..0..1..1..1..3....3..1..1..1..3....1..1..1..1..3....3..3..1..1..1
..1..3..1..3..3....1..1..1..1..1....1..3..3..1..3....1..1..1..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved