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 A188772 #7 May 26 2024 00:57:00 %S A188772 65,4225,130828,3658041,114928827,3725504150,118984786902, %T A188772 3772804871287,119816916752612,3810670337663147,121188283006836223, %U A188772 3853067582126261844,122500758733139379893,3894834135997239917934,123835414312916823578527 %N A188772 Number of n X 7 binary arrays without the pattern 0 1 0 vertically or horizontally. %C A188772 Column 7 of A188774. %H A188772 R. H. Hardin, <a href="/A188772/b188772.txt">Table of n, a(n) for n = 1..200</a> %e A188772 Some solutions for 3 X 7 %e A188772 ..1..0..0..1..1..0..1....1..1..0..0..0..0..0....1..1..0..0..0..1..1 %e A188772 ..0..0..0..1..1..0..0....1..0..1..1..1..0..0....1..1..0..1..1..0..1 %e A188772 ..0..0..0..0..0..0..1....1..0..1..1..1..1..0....0..1..1..1..1..0..1 %Y A188772 Cf. A188774. %K A188772 nonn %O A188772 1,1 %A A188772 _R. H. Hardin_, Apr 09 2011