A260766 - OEIS

%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