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 A104834 #8 Apr 23 2013 03:03:11
%S A104834 23846264338327,38462643383279,53594081284811,11055596446229,
%T A104834 46229489549303,44612847564823,19091456485669,81748815209209,
%U A104834 36789259036001,95194151160943,91953092186117,61173819326117
%N A104834 Primes from merging of 14 successive digits in decimal expansion of Pi.
%H A104834 Vincenzo Librandi, <a href="/A104834/b104834.txt">Table of n, a(n) for n = 1..1000</a>
%t A104834 With[{pi = FromDigits/@Partition[RealDigits[Pi, 10, 700][[1]], 14, 1]}, Select[pi, PrimeQ]] (* _Vincenzo Librandi_, Apr 21 2013 *)
%Y A104834 Cf. A104819 - A104842.
%K A104834 nonn,base
%O A104834 1,1
%A A104834 _Zak Seidov_, Mar 27 2005