A260283 - OEIS

%I #4 Jul 22 2015 07:47:03

%S 1428,6351,42175,192277,984644,5588466,28517537,145143631,777843590,

%T 4078878260,21079729187,110757498595,581658241064,3031796383253,

%U 15858732127947,83115560494098,434515129250969,2272037726943800

%N Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011

%C Column 7 of A260284

%H R. H. Hardin, <a href="/A260283/b260283.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A260283/a260283.txt">Empirical recurrence of order 75</a>

%F Empirical recurrence of order 75 (see link above)

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A260284

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 22 2015