A259944 - OEIS

%I #5 Jul 10 2015 07:03:06

%S 34,170,2438,35765,631626,23837974,1328499316,84928425026,

%T 8289133572645,1383570023331554,315562185885124651,

%U 97230004567350401711,46436802280752701742859,33623534290696312179717952

%N Number of (n+2)X(n+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101

%C Diagonal of A259952

%H R. H. Hardin, <a href="/A259944/b259944.txt">Table of n, a(n) for n = 1..15</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A259952

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 10 2015