OFFSET
1,1
COMMENTS
Column 4 of A183322
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=a(n-1)+23*a(n-2)-10*a(n-3)-180*a(n-4)+34*a(n-5)+630*a(n-6)-63*a(n-7)-1081*a(n-8)+73*a(n-9)+914*a(n-10)-50*a(n-11)-352*a(n-12)+14*a(n-13)+47*a(n-14)+a(n-15)-a(n-16)
EXAMPLE
Some solutions for 5X4
..0..1..1..0....0..0..0..0....0..1..1..0....0..0..0..1....0..1..1..1
..0..1..1..0....0..0..0..0....0..1..1..0....0..1..1..1....0..1..1..1
..1..1..0..0....0..1..1..1....0..0..0..0....0..1..1..0....1..1..0..1
..1..1..1..1....0..1..1..1....0..0..0..0....0..0..0..0....1..1..0..1
..0..0..1..1....1..1..1..1....0..0..1..1....0..1..1..0....1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved