OFFSET
1,2
COMMENTS
Column 6 of A183352
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=a(n-1)+3*a(n-2)+22*a(n-3)+20*a(n-4)-19*a(n-5)-93*a(n-6)-123*a(n-7)+61*a(n-8)+266*a(n-9)+98*a(n-10)-170*a(n-11)-107*a(n-12)+6*a(n-13)+6*a(n-14)+2*a(n-15)+17*a(n-16)-4*a(n-17)+10*a(n-18)+a(n-20)
EXAMPLE
Some solutions for 5X6
..1..0..0..0..0..1....1..0..0..0..0..0....1..0..0..0..0..0....0..0..0..0..0..0
..0..1..1..0..0..0....0..0..0..0..0..0....0..0..1..1..0..1....0..0..1..1..0..0
..0..1..1..0..0..0....0..0..1..1..0..1....0..0..1..1..0..1....0..0..1..1..0..0
..0..0..0..0..0..0....0..0..1..1..0..1....0..0..0..0..0..0....0..0..0..0..0..0
..0..0..1..1..0..1....1..0..0..0..0..0....0..0..0..0..0..0....0..1..1..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved