OFFSET
1,1
COMMENTS
Column 2 of A187729
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=9*a(n-2)+31*a(n-3)+24*a(n-4)-60*a(n-5)-167*a(n-6)-146*a(n-7)+80*a(n-8)+321*a(n-9)+368*a(n-10)+29*a(n-11)-621*a(n-12)-250*a(n-13)+210*a(n-14)+167*a(n-15)+275*a(n-16)-76*a(n-17)-88*a(n-18)-54*a(n-19)-41*a(n-20)-16*a(n-21)+21*a(n-22)+14*a(n-23)-5*a(n-24)+a(n-25)+2*a(n-26)-a(n-27) for n>28
EXAMPLE
Some solutions for 5X3
..0..1..1....0..1..0....1..1..1....1..0..1....0..1..0....1..1..1....0..0..1
..1..1..1....1..0..0....1..0..1....0..0..1....1..0..0....0..0..1....0..1..0
..0..0..1....1..1..1....1..0..1....1..0..0....1..1..1....0..1..1....1..1..1
..0..1..1....0..0..1....1..1..1....1..0..1....1..1..0....1..0..1....1..0..0
..1..0..1....1..1..0....0..1..1....1..1..0....1..0..0....1..1..0....1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 13 2011
STATUS
approved