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 A104820 #13 May 07 2024 13:58:01
%S A104820 53,5897,643,1693,5,815209,29,13,857,2,983,367,3,9463,2473,7,71,7481,
%T A104820 8467,560827,7,7,409,24953,7,631859,2,526193,31,8753,17,17,857,61,89,
%U A104820 9721,7,415069,59,53,31,983,8175463,71,601,5,9467,7,31,367,70289,47,19
%N A104820 Primes with distinct digits appearing in partition of decimal expansion of Pi.
%e A104820 Start with decimal expansion of Pi: 3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3,2,3,8,4,6,2,6,4,3...
%e A104820 Part the sequence to the sections with distinct digits: s={3,1,4},{1,5,9,2,6},{5,3},{5,8,9,7},{9,3,2},{3,8,4,6,2},{6,4,3},...
%e A104820 Then sequence are primes from digits of s(): 53, 5897, 643, ...
%Y A104820 Cf. A104807, A104819.
%K A104820 nonn,base
%O A104820 1,1
%A A104820 _Zak Seidov_, Mar 27 2005