A260175 - OEIS

%I #4 Jul 17 2015 13:56:18

%S 2221,6344,17889,55849,189092,651914,2136068,7213362,24711312,

%T 83529368,282700608,962444038,3267244950,11083453896,37685135612,

%U 128025816414,434507040386,1476562881230,5017650387416,17036610075740,57869261660158

%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001

%C Column 6 of A260177

%H R. H. Hardin, <a href="/A260175/b260175.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A260177

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 17 2015