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 A104829 #14 Feb 02 2025 13:19:43
%S A104829 795028841,502884197,28841971,884197169,971693993,348253421,421170679,
%T A104829 306647093,812848111,659334461,233786783,648566923,346034861,
%U A104829 326648213,829254091,678925903,1133053,959195309,530921861,938183011
%N A104829 Primes from merging of 9 successive digits in decimal expansion of Pi allowing leading zeros.
%H A104829 Vincenzo Librandi, <a href="/A104829/b104829.txt">Table of n, a(n) for n = 1..1000</a>
%t A104829 With[{pi = FromDigits/@Partition[RealDigits[Pi, 10, 500][[1]], 9, 1]}, Select[pi, PrimeQ]] (* _Vincenzo Librandi_, Apr 21 2013 *)
%Y A104829 Cf. A000796, A104819 - A104842.
%K A104829 nonn,base
%O A104829 1,1
%A A104829 _Zak Seidov_, Mar 27 2005