OFFSET
1,2
COMMENTS
Column 5 of A183450
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=6*a(n-1)-4*a(n-2)+26*a(n-3)-181*a(n-4)-17*a(n-5)+101*a(n-6)+1148*a(n-7)-826*a(n-8)+575*a(n-9)-429*a(n-10)-160*a(n-11)-83*a(n-12)-913*a(n-13)-799*a(n-14)+405*a(n-15)+185*a(n-16)+74*a(n-17)-8*a(n-18)-33*a(n-19)+6*a(n-20)
EXAMPLE
Some solutions for 7X5
..0..1..1..0..0....0..0..0..0..0....0..0..0..1..1....0..0..0..0..0
..1..0..0..1..0....0..1..0..0..0....1..1..0..1..0....0..0..0..0..0
..0..1..1..0..0....1..1..0..1..0....1..0..0..0..0....0..1..0..0..0
..0..0..0..0..0....0..0..0..1..1....0..0..0..0..0....1..1..0..0..0
..1..0..0..0..0....1..1..0..0..0....0..0..0..0..0....0..0..0..0..0
..1..1..0..1..1....0..1..0..0..1....1..0..0..1..0....0..1..0..0..0
..0..0..0..1..0....0..0..0..1..1....1..1..0..1..1....0..1..1..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved