%I #4 Jul 22 2015 11:48:55
%S 4762,8550,21028,45596,62980,168582,385280,635774,1454932,3865506,
%T 7077140,13911248,37767640,80433874,146256972,363211496,873338176,
%U 1637204674,3569621244,9024085554,18468136328,36852868032,90530978268
%N Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001
%C Column 7 of A260294
%H R. H. Hardin, <a href="/A260293/b260293.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..0..0..0..0..0..1....1..1..0..0..0..0..0..1..1
%e ..0..0..0..0..1..1..0..0..1....0..0..0..1..1..0..0..0..0
%e ..0..1..1..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....1..0..0..0..0..0..0..1..0
%e ..0..0..0..0..0..1..0..0..1....0..0..0..1..1..0..0..1..0
%e ..0..1..1..0..0..1..0..0..1....0..1..0..0..0..0..0..0..0
%Y Cf. A260294
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 22 2015