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 A295124 #23 Nov 16 2017 02:40:53 %S A295124 1,3,15,105,93081 %N A295124 a(n) = smallest number k with n prime factors such that 2d + k/d is prime for every d | k. %C A295124 Such k must be an odd squarefree number. %C A295124 a(n) has 2^n divisors and each gives another prime. %C A295124 Conjecture: the sequence is infinite. It is hard to believe! %C A295124 a(n) is the smallest k such that A088627(k) = A000005(k) = 2^n. %F A295124 a(n) = A293756(n+1)/2. %Y A295124 Cf. A088627, A293756. %Y A295124 Subsequence of A244520 (2d + k/d is prime for every d|k). %K A295124 nonn,more %O A295124 0,2 %A A295124 _Thomas Ordowski_, Nov 15 2017 %E A295124 a(4) from _Michel Marcus_, Nov 15 2017