OFFSET
1,2
COMMENTS
Row 2 of A221809
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +18*a(n-2) +22*a(n-3) -14*a(n-4) -39*a(n-5) -44*a(n-6) -6*a(n-7) +7*a(n-8) +3*a(n-9) +4*a(n-10) +a(n-11)
EXAMPLE
Some solutions for n=3
..1..0..1....1..1..1....1..1..1....2..1..1....1..0..1....0..2..1....1..2..0
..2..1..1....2..0..1....1..2..0....0..1..1....1..1..2....1..2..0....0..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 26 2013
STATUS
approved