|
%I #5 Mar 31 2012 12:37:20
%S 42,1764,6216,21904,126688,732736,3773248,19430464,105642128,
%T 574369156,3050871800,16205290000,87703589600,474654858304,
%U 2537509425088,13565549724736,73283287813072,395888141775844,2122391971076888
%N Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically
%C Row 7 of A207928
%H R. H. Hardin, <a href="/A207933/b207933.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..1..0..0....1..1..1..1....0..0..1..1....0..1..1..0....0..1..1..0
%e ..1..1..0..0....1..1..0..0....1..1..0..0....1..0..1..1....0..1..1..1
%e ..0..0..1..1....0..0..1..1....1..1..1..0....1..1..0..1....1..0..0..1
%e ..1..0..1..1....1..1..0..1....0..0..1..1....0..1..1..0....1..1..0..0
%e ..1..1..0..0....0..1..1..0....1..1..0..1....1..0..0..1....0..1..1..1
%e ..0..0..1..1....0..0..1..1....0..1..1..0....1..1..0..1....1..0..1..1
%e ..1..1..1..1....1..0..0..1....1..0..1..1....0..1..1..0....1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 21 2012
| 