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 A273036 #5 May 14 2016 02:00:15
%S A273036 1,881752,28336348,169022824,300247750,169022824,28336348,881752,1
%N A273036 The E_8-Eulerian numbers.
%C A273036 a(n) is the number of elements of the Weyl group E_8 that have a descent set of size n.
%C A273036 Sum_{n=0..8} a(n) = 696729600, which is the order of the group E_8.
%D A273036 T. K. Petersen, Eulerian Numbers, Birkhauser, 2015, Table 11.5.
%Y A273036 Cf. A008292, A060187, A066094, A273000, A273035.
%K A273036 nonn,fini,full
%O A273036 0,2
%A A273036 _Tom Edgar_, May 13 2016