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 A046481 #16 Apr 15 2025 12:43:43 %S A046481 2,3,5,7,11,313,353,797 %N A046481 Primes that are palindromic in bases 10 and 13. %H A046481 P. De Geest, <a href="https://www.worldofnumbers.com/palpri.htm">World!Of Palindromic Primes</a> %e A046481 313_10 = 1b1_13, where b represents eleven as a single digit. %t A046481 Select[Prime[Range[150]],PalindromeQ[#]&&IntegerDigits[#,13]==Reverse[IntegerDigits[#,13]]&] (* _Harvey P. Dale_, Apr 15 2025 *) %Y A046481 Cf. A002385, A029968. %K A046481 nonn,hard,base %O A046481 1,1 %A A046481 _Patrick De Geest_, Aug 15 1998