A204081 - OEIS

%I #5 Mar 31 2012 12:37:00

%S 0,100,5260,107584,13346532,553472676,35085052464,1978079099364,

%T 112800441610516,6486937732574784,371232918782612700,

%U 21226052616421225444,1216904061277337280864,69642151654182867144100

%N Number of nX5 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1

%C Column 5 of A204084

%H R. H. Hardin, <a href="/A204081/b204081.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..3..0..0..0..1....3..1..0..1..2....3..0..0..0..0....2..0..0..1..1

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

%e ..0..3..3..0..0....0..1..1..3..0....0..2..1..3..1....0..0..1..2..2

%e ..0..2..3..1..1....0..2..3..0..1....0..2..0..0..0....0..3..1..1..1

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

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 10 2012