A222399 - OEIS

%I #4 Feb 18 2013 08:49:00

%S 4,0,0,717,4644,89582,540642,19598014,141703290,4688775266,

%T 35396592602,1198472335971,9116130780608,303814938865968,

%U 2350784445147968,77397700040153293,607566776545412778,19739198008443582466

%N Number of nX5 0..2 arrays with exactly floor(nX5/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..2 order

%C Column 5 of A222402

%H R. H. Hardin, <a href="/A222399/b222399.txt">Table of n, a(n) for n = 1..66</a>

%e Some solutions for n=4

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

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

%e ..0..0..0..0..2....0..0..0..0..0....2..1..1..1..1....1..1..1..1..1

%e ..0..0..0..1..2....1..2..1..1..0....0..1..1..1..1....0..2..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 18 2013