OFFSET
1,1
COMMENTS
Column 5 of A206206
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 10*a(n-3) for n>15
EXAMPLE
Some solutions for n=4
..1..1..2..2..1..0....3..0..0..1..1..1....0..0..2..1..1..0....3..0..0..1..1..1
..1..2..2..2..3..3....3..0..0..0..1..1....0..0..1..1..1..0....3..0..0..0..1..1
..2..2..2..3..3..3....3..3..0..0..0..1....0..1..1..1..3..3....3..3..0..0..0..1
..2..2..3..3..3..0....3..3..3..0..0..0....1..1..1..3..3..3....3..3..3..0..0..0
..2..3..3..3..0..0....2..3..3..3..0..0....1..1..3..3..3..1....0..3..3..3..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 04 2012
STATUS
approved