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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 00001011
1

%I #4 Jul 27 2015 08:36:01

%S 1600,2115,5219,9616,13651,31078,67993,103520,205769,478636,814781,

%T 1474039,3329758,6280086,11053808,23440140,46913222,84184848,

%U 168447589,344315004,638782384,1233316423,2511417269,4802082633,9139233197

%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001011

%C Column 6 of A260501

%H R. H. Hardin, <a href="/A260499/b260499.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..1....1..0..0..0..1..0..0..1....1..0..0..0..0..0..1..0

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

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

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

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

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

%Y Cf. A260501

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 27 2015