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 A105382 #14 Feb 16 2025 08:32:57 %S A105382 643647241,738336289,879351029,633086627,276831733,214005479, %T A105382 968115587,155879489,327776191,564558769,145250683,276587939, %U A105382 929588063,320447219,782638903,515912081,487745879,894087011,710693161,693161461,448359091 %N A105382 Primes from merging of 9 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6. %H A105382 Vincenzo Librandi, <a href="/A105382/b105382.txt">Table of n, a(n) for n = 1..1000</a> %H A105382 The first <a href="http://www.worldwideschool.org/library/books/sci/math/MiscellaneousMathematicalConstants/chap96.html">10,000 digits of Zeta(2)</a> as calculated by _Simon Plouffe_ at WorldWideSchool.org. %H A105382 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/RiemannZetaFunction.html">Riemann Zeta Functions</a>. %t A105382 Select[FromDigits /@ Partition[RealDigits[Zeta[2], 10, 31700][[1]], 9, 1], # > 99999999 && PrimeQ[#] &] (* _Vincenzo Librandi_, Apr 28 2013 *) %Y A105382 Cf. A013661. %K A105382 nonn,base %O A105382 1,1 %A A105382 Andrew G. West (WestA(AT)wlu.edu), Apr 03 2005 %E A105382 Changed offset from 0 to 1 by _Vincenzo Librandi_, Apr 28 2013