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 A207932 #7 Jul 22 2025 21:01:13 %S A207932 26,676,2080,6400,29760,138384,592968,2540836,11151624,48944016, %T A207932 213853728,934402624,4090548624,17907257124,78350974272,342814934016, %U A207932 1500522625152,6567882332944,28741775057096,125777167061764 %N A207932 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically. %C A207932 Row 6 of A207928 %H A207932 R. H. Hardin, <a href="/A207932/b207932.txt">Table of n, a(n) for n = 1..210</a> %e A207932 Some solutions for n=5 %e A207932 ..1..1..0..0..1....0..1..1..0..0....0..1..1..0..1....1..1..0..1..1 %e A207932 ..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..1..0..0..1 %e A207932 ..0..1..1..0..0....0..1..1..0..1....1..1..1..1..0....0..0..1..1..0 %e A207932 ..1..0..0..1..1....0..0..1..1..0....0..1..1..0..1....1..1..1..1..0 %e A207932 ..0..0..1..1..1....1..0..0..1..1....1..0..0..1..1....1..1..0..0..1 %e A207932 ..1..1..1..0..0....0..1..1..0..1....0..0..1..1..0....0..0..1..1..1 %K A207932 nonn %O A207932 1,1 %A A207932 _R. H. Hardin_ Feb 21 2012