OFFSET
1,1
COMMENTS
Column 4 of A232515
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 8*a(n-1) +a(n-2) -23*a(n-3) -48*a(n-4) -9*a(n-5) +40*a(n-6) +44*a(n-7) +5*a(n-8) -20*a(n-9) +3*a(n-10) +9*a(n-11) +6*a(n-12) -a(n-13) -2*a(n-14)
EXAMPLE
Some solutions for n=5
..2..1..0..1..0....2..1..0..1..2....0..1..2..1..0....0..1..0..1..0
..0..1..2..1..0....0..1..0..1..0....2..1..2..1..2....0..1..2..1..0
..2..1..2..1..0....0..1..0..1..2....0..1..2..1..0....0..1..2..1..2
..2..1..0..1..0....0..1..2..1..0....0..1..2..1..0....2..1..2..1..2
..2..1..0..1..0....2..1..0..1..2....2..1..2..1..0....0..1..0..1..0
..0..1..0..1..2....0..1..0..1..2....0..1..0..1..0....0..1..2..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 25 2013
STATUS
approved