OFFSET
1,1
COMMENTS
Column 4 of A204607
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 442*a(n-3) +43*a(n-6) for n>15
EXAMPLE
Some solutions for n=3
..2..0..0..0..2..1....2..2..1..2..0..1....2..2..2..2..0..2....0..2..1..2..2..0
..1..1..1..0..1..0....0..1..2..0..1..0....0..1..2..1..1..0....1..0..1..2..1..1
..0..0..2..1..0..2....1..0..1..2..2..1....0..0..1..2..2..1....2..2..0..1..2..2
..0..1..2..2..1..1....0..2..0..1..2..2....0..1..0..1..2..2....0..1..2..0..1..2
..1..0..1..2..2..2....0..1..2..0..1..2....1..0..2..0..1..2....1..0..1..2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 17 2012
STATUS
approved