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 A300899 #5 Mar 14 2018 21:22:45 %S A300899 547,248119,4085777 %N A300899 Primes p such that p#+2 is divisible by the next prime after p. %C A300899 p# is the primorial as defined in A002110. %Y A300899 Cf. A002110, A058233, A300898. %K A300899 nonn,more %O A300899 1,1 %A A300899 _Chai Wah Wu_, Mar 14 2018