OFFSET
1,1
COMMENTS
Column 3 of A188508
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=7*a(n-1)-21*a(n-2)+59*a(n-3)-82*a(n-4)+97*a(n-5)-14*a(n-6)-148*a(n-7)+166*a(n-8)-153*a(n-9)-158*a(n-10)+340*a(n-11)+164*a(n-12)-296*a(n-13)-87*a(n-14)+115*a(n-15)+13*a(n-16)-a(n-17)+6*a(n-18)-5*a(n-19)-6*a(n-20)+4*a(n-21)+a(n-23)
EXAMPLE
Some solutions for 4X3
..1..1..1....1..0..1....1..0..1....1..1..0....1..1..1....1..0..0....1..1..1
..1..0..0....1..0..1....0..0..1....0..0..0....1..1..1....0..0..0....0..0..1
..1..0..0....1..0..1....0..1..1....0..0..0....0..0..0....1..0..0....0..0..1
..1..0..1....1..1..1....0..1..1....1..0..0....0..0..0....1..0..0....1..1..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 02 2011
STATUS
approved