OFFSET
1,2
COMMENTS
Column 6 of A240394
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..54
EXAMPLE
Some solutions for n=4
..3..0..0..0..0..0....3..0..0..0..0..0....3..0..0..0..0..0....3..0..0..0..0..0
..3..0..0..0..0..0....3..2..0..0..3..3....1..2..0..0..0..0....1..0..0..0..3..3
..1..0..0..3..3..0....1..0..0..0..3..2....3..1..2..3..0..3....3..2..0..3..1..2
..3..2..0..2..2..0....3..1..2..0..1..0....3..2..2..2..0..3....1..2..2..2..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved