OFFSET
1,1
COMMENTS
Column 3 of A183474
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=3*a(n-1)+a(n-2)+8*a(n-3)-25*a(n-4)-5*a(n-5)-20*a(n-6)+62*a(n-7)+24*a(n-8)+3*a(n-9)-42*a(n-10)-44*a(n-11)-24*a(n-12)+26*a(n-13)+32*a(n-14)+11*a(n-15)+3*a(n-16)-4*a(n-18)
EXAMPLE
Some solutions for 4X3
..0..0..1....0..0..0....0..0..0....0..1..1....1..1..1....0..1..1....0..0..0
..1..0..1....1..1..0....0..0..0....0..0..0....1..1..1....0..0..0....0..0..0
..1..0..0....1..1..0....0..1..0....1..1..0....1..0..1....1..0..1....0..1..1
..0..0..0....1..1..0....0..1..0....1..1..0....0..0..0....1..0..1....0..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved