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 A095716 #6 Aug 03 2014 14:27:17
%S A095716 1,3,9,28,88,276,867,2724,8558,26886,84465,265355,833637,2618948,
%T A095716 8227668,25847981,81203827,255109346,801449647,2517828323,7909990963,
%U A095716 24849969499,78068481620,245259368334,770505029782,2420612941117
%N A095716 a(n) = integer nearest Pi*a(n-1), where a(0) = 1.
%H A095716 Clark Kimberling, <a href="/A095716/b095716.txt">Table of n, a(n) for n = 0..250</a>
%t A095716 a[0] = 1; a[n_] := Round[Pi*a[n - 1]]; Table[a[n], {n, 0, 30}] (* _Clark Kimberling_, Aug 18 2012 *)
%Y A095716 Cf. A024581.
%K A095716 nonn
%O A095716 0,2
%A A095716 Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 07 2004