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 A109364 #3 Dec 15 2017 17:36:52 %S A109364 5,3,5,3,15,103,39,61,45,163,159,301,2415,403,339,331,195,553,933, %T A109364 24493,1359,85,3999,253,267,7567,12969,2815,4419,2047,3171,8203,14019, %U A109364 5665,951,5365,5949,6565,7653,77785,3759,5833,1311,4771,18807,7303,25431 %N A109364 Least positive k such that 2^n + k is a Chen prime and 2^n + k + 2 is a brilliant number. %Y A109364 Cf. A109611, A078972. %K A109364 base,nonn %O A109364 1,1 %A A109364 _Jason Earls_, Aug 23 2005