OFFSET
1,1
COMMENTS
Column 5 of A240321
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..3..3..1..1....1..1..1..3..1....1..1..1..3..1....3..3..3..1..1
..3..0..2..2..0....1..2..0..0..0....1..0..2..2..2....3..2..2..2..2
..3..2..2..0..2....3..2..0..2..0....1..2..2..0..2....1..0..2..0..0
..1..2..2..2..3....1..0..1..2..1....3..2..1..2..1....3..0..2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved