OFFSET
1,1
COMMENTS
Column 4 of A240422
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..0..1..0..0....0..0..0..3....0..1..1..1....0..0..0..0....0..0..0..0
..1..0..1..1....0..3..3..3....0..1..0..1....1..1..3..1....0..0..0..3
..0..0..0..1....3..0..0..2....0..1..0..1....1..2..0..0....3..3..1..3
..1..1..1..3....0..0..0..3....1..0..0..2....3..2..0..0....0..3..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved