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 A189193 #7 Jul 22 2025 11:36:45 %S A189193 64,4096,83737,1598444,24496092,367115337,5218915180,73539558380, %T A189193 1021199649839,14125557202206,194506779840320,2673686180231803, %U A189193 36695207349332618,503243079829310096,6897499795974119793 %N A189193 Number of nX6 binary arrays without the pattern 0 0 1 vertically or antidiagonally. %C A189193 Column 6 of A189196 %H A189193 R. H. Hardin, <a href="/A189193/b189193.txt">Table of n, a(n) for n = 1..200</a> %e A189193 Some solutions for 3X6 %e A189193 ..1..1..1..0..0..0....1..1..1..0..1..0....1..1..1..0..1..1....1..0..0..1..1..1 %e A189193 ..1..1..1..1..1..1....0..0..1..1..1..1....1..1..1..1..1..0....0..1..1..0..1..1 %e A189193 ..0..0..1..1..1..0....1..0..0..0..1..1....1..1..1..1..1..0....0..0..1..0..1..1 %K A189193 nonn %O A189193 1,1 %A A189193 _R. H. Hardin_ Apr 18 2011