OFFSET
1,1
COMMENTS
Column 2 of A207015.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 7*a(n-1) -6*a(n-2) +22*a(n-3) +114*a(n-4) +104*a(n-5) -184*a(n-6) -352*a(n-7) -128*a(n-8) -64*a(n-9) +32*a(n-10).
a(n) = A207008(n)^2. - Mark van Hoeij, May 14 2013
EXAMPLE
Some solutions for n=4
..1..0....2..0....1..2....0..2....0..1....0..1....2..0....2..2....0..2....0..2
..1..1....1..2....2..2....0..0....2..1....2..1....0..2....2..1....0..2....2..2
..0..1....0..2....2..2....0..1....2..2....2..0....1..0....2..1....2..2....0..0
..2..0....2..0....2..2....2..1....0..0....0..2....1..2....0..2....0..2....2..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 14 2012
STATUS
approved