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 A129670 #14 Feb 16 2025 08:33:05 %S A129670 2,3,11,13,47,53,191 %N A129670 Right truncatable primes in base 4 (written in decimal form). %C A129670 There are exactly 7 right truncatable primes in base 4. %H A129670 I. O. Angell and H. J. Godwin, <a href="http://dx.doi.org/10.1090/S0025-5718-1977-0427213-2">On Truncatable Primes</a>, Math. Comput. 31, 265-267, 1977. %H A129670 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TruncatablePrime.html">Truncatable Prime</a>. %H A129670 <a href="/index/Tri#tprime">Index entries for sequences related to truncatable primes</a> %Y A129670 Cf. A024763, A076586. %K A129670 nonn,fini,full,base %O A129670 1,1 %A A129670 _Martin Renner_, Jun 01 2007