%I #3 Mar 31 2012 12:35:49
%S 81,6561,179097,7426986,316896477,12297765846,493466099722,
%T 19886730240632,794878208506289,31852650059853831,1277093175893680596,
%U 51166967011661264756,2050407503529684003122,82170493913101130433607
%N Number of nX7 binary matrices with no three 1's adjacent in a line horizontally, vertically, diagonally or antidiagonally
%C Column 7 of A181224
%H R. H. Hardin, <a href="/A181223/b181223.txt">Table of n, a(n) for n=1..175</a>
%e Some avoided solutions for 3X7
%e ..1..0..0..0..0..1..0....0..0..0..0..0..0..0....0..1..0..1..0..0..0
%e ..1..0..0..0..0..0..0....1..1..1..0..0..0..0....0..0..0..0..1..0..0
%e ..1..0..0..0..0..0..0....1..0..0..0..0..0..0....0..0..0..0..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 10 2010
