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 A135272 #14 Oct 11 2019 11:15:50 %S A135272 256,1024,1792,1792,1120,448,112,16,1 %N A135272 Row 8 of A038207. %C A135272 An octeract is an eight-dimensional hypercube with 256 vertices, 1024 edges, 1792 square faces, 1792 cubic cells, 1120 tesseract 4-faces, 448 penteract 5-faces, 112 hexeract 6-faces and 16 hepteract 7-faces. %H A135272 Wikipedia, <a href="https://en.wikipedia.org/wiki/Octeract">Octeract</a>. %p A135272 for i from 8 to 8 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od; %o A135272 (PARI) Vec((x+2)^8+O(x^9)) \\ _Joerg Arndt_, Apr 15 2013 %Y A135272 Cf. A038207. %K A135272 easy,fini,nonn,full %O A135272 0,1 %A A135272 _Zerinvary Lajos_, Dec 02 2007