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 A135270 #9 Oct 09 2013 02:24:36 %S A135270 64,192,240,160,60,12,1 %N A135270 Row 6 of A038207. %C A135270 A hexeract is a name for a six-dimensional hypercube with 64 vertices, 192 edges, 240 square faces, 160 cubic cells, 60 tesseract 4-faces and 12 penteract 5-faces. %H A135270 Wikipedia, <a href="http://en.wikipedia.org/wiki/Hexeract">Hexeract</a>. %p A135270 for i from 6 to 6 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od; %o A135270 (PARI) Vec((x+2)^6+O(x^7)) \\ _Joerg Arndt_, Apr 15 2013 %Y A135270 Cf. A038207, A135269. %K A135270 easy,fini,nonn,full %O A135270 0,1 %A A135270 _Zerinvary Lajos_, Dec 02 2007