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 A275252 #10 Jul 24 2016 10:12:40 %S A275252 16,33,85,133,299,1189,1457,1961,2537,4453,5561,6319,7663,11009,13081, %T A275252 14017,15481,21823,24883,26123,29177,35657,40301,43039,45173,55189, %U A275252 59881,62857,67519,76693,85039,87391,91709,109999,116843,120983,128083,145097,151979 %N A275252 Sequence of pairwise relatively prime numbers of class P_7 (see comment in A275246). %Y A275252 Cf. A000040, A001248, A089581, A275246, A275248, A275249, A275251. %K A275252 nonn %O A275252 1,1 %A A275252 _Vladimir Shevelev_ and _Peter J. C. Moses_, Jul 21 2016