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 A189067 #7 Jul 22 2025 11:32:33 %S A189067 32,1024,13045,128628,1492864,19468046,247434731,3035094004, %T A189067 37223091438,460689365228,5711178484175,70659978573991, %U A189067 873558525822604,10803610313863704,133645294034855875,1653171583707062409 %N A189067 Number of 5Xn binary arrays without the pattern 0 1 0 antidiagonally or horizontally. %C A189067 Row 5 of A189064 %H A189067 R. H. Hardin, <a href="/A189067/b189067.txt">Table of n, a(n) for n = 1..200</a> %e A189067 Some solutions for 5X3 %e A189067 ..0..0..1....0..0..1....1..1..0....0..1..1....0..0..0....0..1..1....0..1..1 %e A189067 ..1..1..1....0..1..1....1..1..1....0..0..0....1..1..1....1..1..0....0..0..0 %e A189067 ..1..0..0....1..0..1....1..0..1....0..0..0....1..0..1....1..1..1....1..1..0 %e A189067 ..0..1..1....1..0..0....0..0..0....0..0..1....0..0..0....1..1..1....1..0..0 %e A189067 ..1..0..0....0..1..1....1..1..1....0..0..0....0..0..0....1..1..1....0..1..1 %K A189067 nonn %O A189067 1,1 %A A189067 _R. H. Hardin_ Apr 16 2011