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 A104799 #8 May 28 2023 11:25:28
%S A104799 101234567897,301234567891,401234567891,401234567897,601234567897,
%T A104799 701234567897,801234567893,1012345678901,1012345678907,1012345678961,
%U A104799 1012345678969,1012345678979,1012345678997,1101234567899,1201234567891,1501234567891,1501234567897,1601234567897,1601234567899
%N A104799 Primes containing sublist {0123456789}.
%H A104799 David A. Corneth, <a href="/A104799/b104799.txt">Table of n, a(n) for n = 1..10000</a>
%H A104799 David A. Corneth, <a href="/A104799/a104799.gp.txt">PARI program</a>
%e A104799 101234567897 is in the sequence as it contains the string 0123456789 and it is a prime. - _David A. Corneth_, May 28 2023
%o A104799 (PARI) See PARI link \\ _David A. Corneth_, May 28 2023
%Y A104799 Cf. A104800, A104801, A104802.
%K A104799 nonn,base
%O A104799 1,1
%A A104799 _Zak Seidov_, Mar 26 2005
%E A104799 Missing data inserted and more terms from _David A. Corneth_, May 28 2023