OFFSET
1,1
COMMENTS
Column 4 of A240250
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..2..1..1..1....2..1..1..1....3..2..2..1....2..3..3..3....2..1..2..2
..3..0..0..2....3..0..2..2....1..0..0..3....1..0..2..2....3..0..0..1
..3..2..3..2....2..0..0..1....1..0..0..3....1..0..3..3....3..0..0..2
..1..0..3..2....2..0..0..1....3..0..0..1....3..0..2..3....1..0..0..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved