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A260765 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011 1

%I #4 Jul 30 2015 22:49:21

%S 1315,1671,3891,7645,11107,24103,48788,83655,166775,348791,629945,

%T 1217638,2540532,4817437,9105591,18684019,36572654,69169356,138483223,

%U 275621776,526881193,1035959905,2067454175,4004020484,7799746263

%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010011

%C Column 6 of A260767

%H R. H. Hardin, <a href="/A260765/b260765.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A260767

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 30 2015

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)