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 A104831 #14 Nov 21 2013 12:48:39 %S A104831 93238462643,38462643383,32795028841,28841971693,88419716939, %T A104831 41971693993,5822317253,2841027019,38521105559,56659334461, %U A104831 12847564823,31652712019,60631558817,81748815209,28292540917,21384146951 %N A104831 Primes from merging of 11 successive digits in decimal expansion of Pi. %H A104831 Vincenzo Librandi, <a href="/A104831/b104831.txt">Table of n, a(n) for n = 1..1000</a> %t A104831 Select[FromDigits/@Partition[RealDigits[\[Pi],10,1000][[1]], 11,1],PrimeQ] (* _Harvey P. Dale_, Apr 21 2011 *) %Y A104831 Cf. A000796, A104819 - A104842. %K A104831 nonn,base %O A104831 1,1 %A A104831 _Zak Seidov_, Mar 27 2005