OFFSET
1,1
COMMENTS
Column 1 of A251852
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..3..2..0....1..3..1....1..0..1....3..1..1....1..1..3....1..3..3....1..0..1
..2..3..2....1..1..1....1..1..0....1..1..1....1..1..1....1..3..3....1..1..3
..2..0..1....1..1..1....3..1..1....3..1..1....1..1..1....1..1..1....1..1..1
..3..0..0....1..1..1....1..1..1....1..1..1....1..1..1....3..1..1....3..1..1
..2..2..1....3..1..3....3..3..1....1..1..1....1..3..3....1..3..3....1..1..3
..0..3..2....1..3..3....3..1..3....1..3..3....3..1..1....3..3..1....1..3..3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2014
STATUS
approved