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 A054797 #39 Jul 08 2023 21:07:04 %S A054797 2,3,5,7,29,399999998999,789989999999999,89989999999999999, %T A054797 299999899999999999999,4799999999999999999999, %U A054797 88999999999999999999999999999999999,3999899999999999999999999999999999999999,689999999999999999999999999999999989999999,6999989999999999999999999999999999999999999 %N A054797 Smallest prime number whose digits sum to the n-th palindromic prime. %H A054797 Dario Alejandro Alpern, <a href="https://www.alpertron.com.ar/ECM.HTM">Factorization using the Elliptic Curve Method</a> %H A054797 David Consiglio, Jr., <a href="/A054797/a054797.cxx.txt">C++ program for this sequence</a> %H A054797 Sean A. Irvine, <a href="https://github.com/archmageirvine/joeis/blob/master/src/irvine/oeis/a054/A054797.java">Java program</a> (GitHub) %o A054797 (C++) See Consiglio link. %Y A054797 Cf. A000040, A002385, A054750. %K A054797 base,nonn %O A054797 1,1 %A A054797 _G. L. Honaker, Jr._, Apr 27 2000 %E A054797 a(6) added by _Carlos Rivera_ %E A054797 a(7) from _David Consiglio, Jr._, Nov 07 2011 %E A054797 a(8)-a(14) from _David Consiglio, Jr._, Nov 16 2011 %E A054797 a(10) corrected by _Sean A. Irvine_, Feb 23 2022