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A260176 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001 1

%I #4 Jul 17 2015 13:57:00

%S 5235,15847,46263,153286,572908,2136068,7542684,27290652,103230076,

%T 376084390,1384508646,5089292404,18950590232,69333670572,257144715114,

%U 945604043768,3506611951218,12872285438650,47738167503228

%N Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010001

%C Column 7 of A260177

%H R. H. Hardin, <a href="/A260176/b260176.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A260177

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 17 2015

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)