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 A164966 #6 Dec 16 2018 08:42:02 %S A164966 127,149,211,223,257,307,431,449 %N A164966 Primes which are obtained at least by two ways using the iterations of the S operator (see A164960) beginning with primes of the union of {2,3} and A164333. %C A164966 The sequence is connected with our sieve selecting the primes of the union of {2,3} and A164333 from all primes. %H A164966 V. Shevelev, <a href="https://arxiv.org/abs/0908.2319">On critical small intervals containing primes</a>, arXiv:0908.2319 [math.NT], 2009. %Y A164966 Cf. A055496, A164333 A164960, A164962, A164920, A006992, A164917, A164918, A104272, A080359, A164368, A164288. %K A164966 nonn,more,uned %O A164966 1,1 %A A164966 _Vladimir Shevelev_, Sep 02 2009