OFFSET
1,1
COMMENTS
Column 2 of A205475
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = 16*a(n-1) -85*a(n-2) +142*a(n-3) +159*a(n-4) -676*a(n-5) +465*a(n-6) +298*a(n-7) -506*a(n-8) +220*a(n-9) -32*a(n-10)
EXAMPLE
Some solutions for n=4
..0..0..1....0..1..0....0..1..2....0..0..0....0..0..0....0..1..0....0..1..0
..1..2..1....1..2..1....1..2..0....0..1..0....0..1..0....0..1..0....0..1..0
..1..0..0....2..1..2....2..1..2....1..1..1....1..1..0....0..0..0....0..0..0
..1..2..1....0..2..0....0..2..1....2..1..0....2..1..0....1..0..1....2..0..2
..1..0..0....1..0..1....1..0..2....2..1..1....2..1..1....1..1..1....2..0..2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 27 2012
STATUS
approved