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 A085820 #19 Mar 29 2018 10:07:00 %S A085820 1,3,7,9,11,13,17,19,21,23,27,29,31,33,37,39,41,43,47,49,51,53,57,59, %T A085820 61,63,67,69,71,73,77,79,81,83,87,89,91,93,97,99 %N A085820 Possible two-digit endings of primes (with leading zeros). %C A085820 This is a finite sequence which contains the first few terms of A045572. %C A085820 Smallest prime > A085820(n) ending with A085820(n) in A085821. %H A085820 Caldwell and Honaker, Prime Curios!: <a href="https://primes.utm.edu/curios/page.php?curio_id=29563">NASCAR Prime Puzzle</a> %t A085820 Mod[Prime[Range[5,1000]],100]//Union (* _Harvey P. Dale_, Jul 10 2017 *) %o A085820 (Sage) [x for x in range(100) if kronecker(x^2,100)==1] # _Zerinvary Lajos_, Dec 07 2009 %Y A085820 Cf. A085821. %K A085820 full,nonn,fini,base %O A085820 1,2 %A A085820 _Zak Seidov_, Jul 04 2003