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 A202469 #7 Oct 21 2022 00:03:11 %S A202469 1858993,190112777,19045287529,1885066867201,187820723381421, %T A202469 18691199385898465,1859521153822030023,185045901525934158257, %U A202469 18413176084400451943067,1832207303424558956985631 %N A202469 Number of (n+2) X 8 binary arrays with no more than two of any consecutive three bits set in any row or column. %C A202469 Column 6 of A202471. %H A202469 R. H. Hardin, <a href="/A202469/b202469.txt">Table of n, a(n) for n = 1..210</a> %e A202469 Some solutions for n=3 %e A202469 ..0..0..0..0..0..1..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..1..1..0 %e A202469 ..0..0..0..0..0..1..0..0....0..0..0..0..0..1..0..1....0..0..0..0..0..1..1..0 %e A202469 ..0..0..0..0..1..0..1..1....0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..1 %e A202469 ..0..0..0..0..1..0..1..0....0..0..0..0..0..0..0..1....0..0..0..0..1..1..0..1 %e A202469 ..0..0..0..0..0..1..0..1....0..0..0..0..0..1..1..0....0..0..0..0..0..1..1..0 %Y A202469 Cf. A202471. %K A202469 nonn %O A202469 1,1 %A A202469 _R. H. Hardin_, Dec 19 2011