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 A084372 #5 Dec 15 2017 17:36:22 %S A084372 4,6,10,14,35,22,26,65,34,38,95,46,115,161,58,62,155,217,74,185,82,86, %T A084372 215,94,235,329,106,265,371,118,122,305,427,134,335,142,146,365,511, %U A084372 158,395,166,415,581,178,445,623,1501,194,485,202,206,515,214,218,545,226 %N A084372 Least composite k such that nearest integer to average of smallest and largest prime factors of k equals n. %Y A084372 Cf. A076690. %K A084372 nonn %O A084372 2,1 %A A084372 _Jason Earls_, Jun 23 2003