OFFSET
1,1
COMMENTS
Column 4 of A201539
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) is a polynomial of degree 80 for n>43
EXAMPLE
Some solutions for n=5
..0..0..0..1....0..0..0..1....0..0..2..2....0..0..1..2....0..0..2..2
..0..0..2..1....0..0..0..1....0..2..2..2....1..1..1..2....0..1..0..0
..0..1..2..2....0..1..2..2....1..1..1..2....1..2..0..0....0..1..1..1
..1..1..1..0....2..1..2..0....1..2..0..0....2..2..2..2....2..0..0..2
..2..2..0..0....2..1..2..0....1..2..0..0....2..2..2..2....2..0..2..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 02 2011
STATUS
approved