OFFSET
1,1
COMMENTS
Column 3 of A185798
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..200
FORMULA
Empirical: a(n)=a(n-3)+64*a(n-4)+2*a(n-5)-40*a(n-7)-1262*a(n-8)-16*a(n-9)+4*a(n-10)+512*a(n-11)+8528*a(n-12)-128*a(n-13)-2048*a(n-15)-10240*a(n-16)+4096*a(n-20) for n>21
EXAMPLE
Some solutions for 3X4
..0..1..1..1....1..1..0..0....1..1..1..1....1..1..1..1....0..0..0..0
..0..1..0..0....1..1..0..1....1..1..0..0....0..0..1..1....0..1..1..0
..1..1..0..1....0..0..0..1....1..0..1..0....0..1..0..1....1..1..1..1
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 04 2011
STATUS
approved