OFFSET
1,1
COMMENTS
Column 4 of A240792
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..2....3..2..3..2
..3..2..3..2....3..2..3..2....3..2..3..2....3..2..1..1....3..2..1..2
..2..2..0..3....2..0..0..2....2..2..0..2....2..0..2..2....2..0..0..2
..2..0..2..3....3..3..0..2....2..0..0..2....2..0..0..1....2..0..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2014
STATUS
approved