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 A087767 #13 Jul 20 2022 08:47:39 %S A087767 29,193,223,317,349,863,1163,1289,1319,1451,1483,1607,1801,2579,2609, %T A087767 2741,2803,3041,3167,3229,3361,3517,4363,4457,4519,4651,5077,5107, %U A087767 5333,5591,5653,5779,6047,6079,6367,6911,7211,7243,7369,7883 %N A087767 Primes whose reversal is a multiple of 23. %H A087767 Mohammed Yaseen, <a href="/A087767/b087767.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..1000 from Harvey P. Dale) %t A087767 Select[Prime[Range[1000]],Divisible[IntegerReverse[#],23]&] (* _Harvey P. Dale_, Apr 22 2022 *) %o A087767 (PARI) forprime(n=2, 8000, if(fromdigits(Vecrev(digits(n)))%23==0, print1(n, ", "))) \\ _Mohammed Yaseen_, Jul 20 2022 %Y A087767 Primes whose reversal is a multiple of k: A045711 (k=5), A087762 (k=7), A087764 (k=13), A087765 (k=17), A087766 (k=19), this sequence (k=23). %K A087767 easy,nonn,base %O A087767 1,1 %A A087767 _Zak Seidov_, Oct 03 2003