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 A129945 #15 Feb 16 2025 08:33:06 %S A129945 2,3,5,7,11,23,29,41,43,47,59,61,79,173,191,223,241,347,353,367,383, %T A129945 509,547,659,677,691,709,727,1699,1811,3089,3299,3463,3593,3607,3643, %U A129945 4547,4597,4721,5051,5101,6073,6199,6379,6491,14821,16421,16729,17669,18223 %N A129945 Left truncatable primes in base 9 (written in decimal form). %C A129945 There are a total number of 108 left truncatable primes in base 9. %H A129945 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 A129945 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TruncatablePrime.html">Truncatable Prime</a> %H A129945 <a href="/index/Tri#tprime">Index entries for sequences related to truncatable primes</a> %Y A129945 Cf. A024784, A076623. %K A129945 nonn,fini,base %O A129945 1,1 %A A129945 _Martin Renner_, Jun 09 2007