This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A188604 #7 Sep 07 2022 13:59:45 %S A188604 33,1089,12405,140617,1288734,11895711,104225541,919272280,7996186202, %T A188604 69774651726,606462611117,5277689194928,45875239984531, %U A188604 398935627775246,3467958989911948,30151575179805147,262119133913272821 %N A188604 Number of n X 6 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally. %C A188604 Column 6 of A188607. %H A188604 R. H. Hardin, <a href="/A188604/b188604.txt">Table of n, a(n) for n = 1..200</a> %e A188604 Some solutions for 3 X 6 %e A188604 ..0..0..0..0..0..0....0..0..0..1..0..0....0..1..0..1..0..1....1..0..1..0..1..1 %e A188604 ..0..1..0..0..0..0....0..1..0..0..1..1....0..0..1..0..1..0....1..0..0..0..1..1 %e A188604 ..1..0..0..0..0..0....0..0..0..1..1..1....0..1..0..1..1..1....1..1..1..1..1..1 %Y A188604 Cf. A188607. %K A188604 nonn %O A188604 1,1 %A A188604 _R. H. Hardin_, Apr 05 2011