cp's OEIS Frontend

A207744 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.

%I A207744 #7 Jul 22 2025 20:45:46
%S A207744 22,484,5302,58081,733363,9259849,113534330,1392036100,17213677390,
%T A207744 212861354161,2624875417711,32368350683761,399547127975296,
%U A207744 4931913554477056,60855630257333632,750906862642685329
%N A207744 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 0 vertically.
%C A207744 Row 6 of A207741
%H A207744 R. H. Hardin, <a href="/A207744/b207744.txt">Table of n, a(n) for n = 1..210</a>
%e A207744 Some solutions for n=4
%e A207744 ..0..1..1..1....0..1..1..1....0..1..1..1....1..1..1..1....1..0..0..1
%e A207744 ..0..0..1..1....0..1..1..0....1..0..1..1....1..1..1..1....1..1..0..1
%e A207744 ..0..1..1..0....0..1..1..1....0..1..1..1....1..1..1..1....1..1..0..1
%e A207744 ..0..1..1..1....0..0..1..1....1..0..0..1....1..1..1..1....1..1..0..1
%e A207744 ..0..1..1..1....0..1..1..1....1..1..1..0....1..0..1..1....1..0..0..1
%e A207744 ..0..0..1..1....0..0..1..1....1..1..0..1....1..1..1..1....1..1..0..1
%K A207744 nonn
%O A207744 1,1
%A A207744 _R. H. Hardin_ Feb 19 2012