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 A160319 #5 Apr 26 2015 17:10:25 %S A160319 1,362880,41514583320,772200774683520,3680232136895819610, %T A160319 6274236760589024662176,4801114002903931560293544, %U A160319 1933216160887575268614599040,459761347800901006933211075259,70417932475495769964322670258947,7424168163091445250817494013145952 %N A160319 Number of 9 X 9 stochastic matrices of integers. %D A160319 Matthias Beck and Dennis Pixton, The Ehrhart Polynomial of the Birkhoff Polytope, Discrete & Computational Geometry, 30(4)(2003), 623-637. %H A160319 Alois P. Heinz, <a href="/A160319/b160319.txt">Table of n, a(n) for n = 0..1000</a> %H A160319 Dennis Pixton, <a href="http://www.math.binghamton.edu/dennis/Birkhoff/polynomials.html">Ehrhart polynomials for n = 1, ..., 9</a> %Y A160319 Row n=9 of A257493. %K A160319 nonn %O A160319 0,2 %A A160319 Melissa Erdmann (merdmann(AT)nebrwesleyan.edu), May 08 2009