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A260607 Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101 1

%I #4 Jul 29 2015 22:40:58

%S 1029,2480,7516,22944,70906,228678,727342,2311370,7375562,23635422,

%T 75483274,240680882,768878776,2457889646,7849301394,25058672956,

%U 80049377842,255735233668,816674565798,2608176143032,8331534566166

%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101

%C Column 6 of A260609

%H R. H. Hardin, <a href="/A260607/b260607.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A260609

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 29 2015

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Last modified July 23 06:59 EDT 2024. Contains 374544 sequences. (Running on oeis4.)