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 A333977 #36 Jan 09 2023 21:30:21 %S A333977 1797595814863,2375065608481,4465545586753,21818228348093, %T A333977 67696772430071,82116093014611,155947272322087,161980267642951, %U A333977 169560139541641,202619277419161,285719200081877,299828814652799,314942862282899,365706921997577 %N A333977 Prime starting a sequence of 20 consecutive primes with symmetrical gaps about the center. %H A333977 Tomáš Brada, Natalia Makarova, <a href="https://boinc.tbrada.eu/forum_thread.php?id=3058">Symmetric Prime Tuples project</a> %H A333977 Natalia Makarova, <a href="https://boinc.progger.info/odlk/forum_thread.php?id=49&postid=6251">About Stop@home project</a> %H A333977 Natalia Makarova and Carlos Rivera, <a href="https://www.primepuzzles.net/problems/prob_062.htm">Problem 62. Symmetric k-tuples of consecutive primes</a>, The Prime Puzzles and Problems Connection. %F A333977 Primes p = prime(k) = A000040(k) such that A359440(k+9) >= 9. - _Peter Munn_, Jan 09 2023 %Y A333977 Cf. A000040, A055381, A055382, A064101, A081235, A175309, A335044, A335394, A336967, A336968, A359440. %K A333977 nonn %O A333977 1,1 %A A333977 _Tomáš Brada_, Sep 20 2020