OFFSET
1,1
COMMENTS
Column 2 of A238180
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 22*a(n-1) -111*a(n-2) -106*a(n-3) +1473*a(n-4) -2198*a(n-5) -121*a(n-6) +1514*a(n-7) -472*a(n-8)
EXAMPLE
Some solutions for n=3
..1..0..0....0..2..0....1..1..0....1..0..0....0..2..2....0..2..1....0..0..0
..2..1..2....2..0..1....0..2..2....0..2..2....0..0..2....0..0..2....1..2..2
..1..0..2....2..2..0....1..1..0....0..0..2....1..2..0....2..2..1....2..0..2
..2..2..2....0..1..0....2..0..2....0..2..1....2..0..0....0..0..2....0..0..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 19 2014
STATUS
approved