A259249 - OEIS

%I #4 Jun 22 2015 13:16:39

%S 1353,15613,159168,1803859,18970267,211569948,2259371001,24946035357,

%T 268635598788,2948447364239,31900157480147,348917447759080,

%U 3785118935837593,41318554169121573,448913396152129472

%N Number of (n+1)X(7+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0011 or 0111

%C Column 7 of A259250

%H R. H. Hardin, <a href="/A259249/b259249.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A259249/a259249.txt">Empirical recurrence of order 54</a>

%F Empirical recurrence of order 54 (see link above)

%e Some solutions for n=3

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

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

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

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

%Y Cf. A259250

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 22 2015