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Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101
1

%I #6 Jul 10 2015 07:11:39

%S 1825,11933,115410,642779,3451108,23837974,159480543,966996539,

%T 6037654361,39151910960,248955579353,1563130986904,9919615680532,

%U 63174059976509,400236775086261,2534156948462237,16083216111856324

%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101

%C Column 6 of A259952

%H R. H. Hardin, <a href="/A259950/b259950.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A259950/a259950.txt">Empirical recurrence of order 67</a>

%F Empirical recurrence of order 67 (see link above)

%e Some solutions for n=3

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

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

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

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

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

%Y Cf. A259952

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 10 2015