login
Number of nX1 0..1 arrays with no more than floor(nX1/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order
5

%I #4 Feb 16 2013 06:05:53

%S 1,1,1,4,5,10,12,34,43,101,127,331,424,1044,1340,3406,4409,11008,

%T 14296,36039,47031,117866,154276,387709,509126,1276783,1680799,

%U 4217763,5565756,13954040,18451152,46258390,61282051,153562565,203775943,510523621

%N Number of nX1 0..1 arrays with no more than floor(nX1/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

%C Column 1 of A222360

%H R. H. Hardin, <a href="/A222353/b222353.txt">Table of n, a(n) for n = 1..210</a>

%e All solutions for n=4

%e ..0....0....0....0

%e ..0....0....0....1

%e ..0....0....1....1

%e ..1....0....1....1

%K nonn

%O 1,4

%A _R. H. Hardin_ Feb 16 2013