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 A333294 #17 May 26 2021 12:15:46 %S A333294 4,56,624,3288,16912,51864,164692,422792,1023416,2101272,4387296, %T A333294 8214688,15485996 %N A333294 Main diagonal of triangle in A333282. %C A333294 Triangle gives number of nodes in graph LC(n,n) in the notation of Blomberg-Shannon-Sloane (2020). %C A333294 See A333282 for other images. %H A333294 Scott R. Shannon, <a href="/A333294/a333294_2.gif">Image of T(6,6)</a>. %H A333294 Scott R. Shannon, <a href="/A333294/a333294.gif">Image of T(7,7)</a>. %H A333294 Scott R. Shannon, <a href="/A333294/a333294_1.gif">Image of T(8,8)</a>. %Y A333294 Cf. A333282. %K A333294 nonn,more %O A333294 1,1 %A A333294 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 23 2020 %E A333294 More terms from _Scott R. Shannon_, May 26 2021