OFFSET
1,1
COMMENTS
Column 7 of A183688
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=7*a(n-1)+57*a(n-2)-332*a(n-3)-1122*a(n-4)+5412*a(n-5)+9248*a(n-6)-35984*a(n-7)-26624*a(n-8)+82304*a(n-9)
EXAMPLE
Some solutions for 3X8
..0..1..1..1..1..1..1..1....0..1..0..1..0..1..0..1....1..1..1..0..1..0..1..1
..1..0..1..0..1..0..1..0....1..0..1..1..1..1..1..1....1..0..1..1..0..1..0..1
..0..1..1..1..0..1..0..1....0..1..1..0..1..0..1..0....0..1..0..1..1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2011
STATUS
approved