OFFSET
1,1
COMMENTS
Column 2 of A184497
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=8*a(n-1)+42*a(n-2)-106*a(n-3)-213*a(n-4)+351*a(n-5)+186*a(n-6)-256*a(n-7)-40*a(n-8)+48*a(n-9)
EXAMPLE
Some solutions for 5X3
..0..2..0....0..2..1....0..2..2....0..2..1....0..2..2....0..2..2....0..2..1
..2..2..1....2..2..1....1..2..0....1..2..2....2..2..2....2..1..1....2..1..2
..2..1..2....2..2..1....1..2..2....0..2..2....0..1..2....2..2..2....0..2..1
..1..2..0....2..2..2....1..2..2....2..2..2....2..2..2....2..1..1....1..2..1
..1..2..2....2..1..0....2..2..1....0..2..0....0..1..1....2..2..1....2..2..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 15 2011
STATUS
approved