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 A040104 #21 Jul 03 2021 05:44:36 %S A040104 1193,1201,1213,1217,1223,1229,1231,1237,1249,1259 %N A040104 First ten consecutive primes which are emirps. %C A040104 There are no additional such ten-consecutive primes up through the 3 millionth prime (49,979,687). - _Harvey P. Dale_, May 20 2014 %H A040104 Carlos Rivera, <a href="http://www.primepuzzles.net/problems/prob_017.htm">Problem 17. The largest known sequence of consecutive and reversible primes</a>, The Prime Puzzles and Problems Connection. %H A040104 Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_020.htm">Puzzle 20. Reversible Primes</a>, The Prime Puzzles and Problems Connection. %t A040104 Flatten[Select[Partition[Prime[Range[220]],10,1],And@@PrimeQ[ FromDigits/@ (Reverse/@(IntegerDigits/@#))]&]] (* _Harvey P. Dale_, May 20 2014 *) %Y A040104 Cf. A006567, A048051, A048052, A103172. %K A040104 fini,full,nonn,base %O A040104 1,1 %A A040104 _Carlos Rivera_ %E A040104 New name from _Charles R Greathouse IV_, Jan 13 2014