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Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001
1

%I #4 Jul 22 2015 11:48:19

%S 2300,3591,8660,19157,29166,72652,168582,292171,625218,1609460,

%T 3089276,5899876,14968692,32584495,60074924,138997590,329692778,

%U 635872137,1328430704,3213573808,6701074756,13249275795,30807670852,68769864418

%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001

%C Column 6 of A260294

%H R. H. Hardin, <a href="/A260292/b260292.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A260294

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 22 2015