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%I #4 Jul 30 2015 22:50:00
%S 2478,3196,8056,16095,21594,48788,104308,173103,341748,744619,1358260,
%T 2565577,5470804,10614658,19796560,40837698,81880380,154619606,
%U 308916626,626419385,1206215390,2364580587,4777393178,9359594548,18228148840
%N Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011
%C Column 7 of A260767
%H R. H. Hardin, <a href="/A260766/b260766.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..0..0..1..0..0..0..0....0..0..1..0..0..0..0..0..0
%e ..0..1..0..0..0..0..0..0..0....0..0..1..0..0..1..1..0..0
%e ..0..0..0..0..0..0..0..1..1....0..0..0..0..0..0..0..0..0
%e ..0..0..0..0..1..0..0..0..0....0..0..0..0..0..0..0..0..0
%e ..0..1..0..0..1..0..0..0..0....0..0..1..1..0..0..1..1..0
%e ..1..1..0..0..0..0..0..1..1....0..0..0..0..0..0..0..0..0
%Y Cf. A260767
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 30 2015
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